CWE-20— Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.— MITRE CWE catalog
14,186 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-20page 59 of 284
- CVE-2025-4680HIGHCVSS 8.6EG 8.62025-06-10
Improper Input Validation vulnerability in upKeeper Solutions upKeeper Instant Privilege Access allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects upKeeper Instant Privilege Access: before 1.4.0.
- CVE-2025-2305HIGHCVSS 8.6EG 8.62025-05-16
A Path traversal vulnerability in the file download functionality was identified. This vulnerability allows unauthenticated users to download arbitrary files, in the context of the application server, from the Linux server.
- CVE-2025-20154HIGHCVSS 8.6EG 8.62025-05-07
A vulnerability in the Two-Way Active Measurement Protocol (TWAMP) server feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial…
- CVE-2025-27737HIGHCVSS 8.6EG 8.62025-04-08
Improper input validation in Windows Security Zone Mapping allows an unauthorized attacker to bypass a security feature locally.
- CVE-2025-20146HIGHCVSS 8.6EG 8.62025-03-12
A vulnerability in the Layer 3 multicast feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unaut…
- CVE-2025-20142HIGHCVSS 8.6EG 8.62025-03-12
A vulnerability in the IPv4 access control list (ACL) feature and quality of service (QoS) policy feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9…
- CVE-2025-0422HIGHCVSS 8.6EG 8.62025-02-18
An authenticated user in the "bestinformed Web" application can execute commands on the underlying server running the application. (Remote Code Execution) For this, the user must be able to create "ScriptVars" with the type „script" and …
- CVE-2025-1026HIGHCVSS 8.6EG 8.62025-02-05
Versions of the package spatie/browsershot before 5.0.5 are vulnerable to Improper Input Validation due to improper URL validation through the setUrl method, which results in a Local File Inclusion allowing the attacker to read sensitive f…
- CVE-2023-50733HIGHCVSS 8.6EG 8.62025-01-21
A Server-Side Request Forgery (SSRF) vulnerability has been identified in the Web Services feature of newer Lexmark devices.
- CVE-2024-21549HIGHCVSS 8.6EG 8.62024-12-20
Versions of the package spatie/browsershot before 5.0.3 are vulnerable to Improper Input Validation due to improper URL validation in the setUrl method. An attacker can exploit this vulnerability by utilizing view-source:file://, which all…
- CVE-2022-32144HIGHCVSS 8.6EG 8.62024-12-20
There is an insufficient input verification vulnerability in Huawei product. Successful exploitation of this vulnerability may lead to service abnormal. (Vulnerability ID: HWPSIRT-2022-76192) This vulnerability has been assigned a Common …
- CVE-2024-21544HIGHCVSS 8.6EG 8.62024-12-13
Versions of the package spatie/browsershot before 5.0.1 are vulnerable to Improper Input Validation due to improper URL validation in the setUrl method. An attacker can exploit this vulnerability by using leading whitespace (%20) before t…
- CVE-2024-20495HIGHCVSS 8.6EG 8.62024-10-23
A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpected…
- CVE-2024-20464HIGHCVSS 8.6EG 8.62024-09-25
A vulnerability in the Protocol Independent Multicast (PIM) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due t…
- CVE-2024-39950HIGHCVSS 8.6EG 8.62024-07-31
A vulnerability has been found in Dahua products. Attackers can send carefully crafted data packets to the interface with vulnerabilities to initiate device initialization.
- CVE-2024-3493HIGHCVSS 8.6EG 8.62024-04-15
A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's ControlLogix 5580, Guard Logix�…
- CVE-2024-20271HIGHCVSS 8.6EG 8.62024-03-27
A vulnerability in the IP packet processing of Cisco Access Point (AP) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficien…
- CVE-2023-29134HIGHCVSS 8.6EG 8.62024-03-27
An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. There is mishandling of backticks to smartSplit.
- CVE-2023-7060HIGHCVSS 8.6EG 8.62024-03-15
Zephyr OS IP packet handling does not properly drop IP packets arriving on an external interface with a source address equal to 127.0.01 or the destination address.
- CVE-2024-23246HIGHCVSS 8.6EG 8.62024-03-08
This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, tvOS 17.4, visionOS 1.1, watchOS 10.4. An app may be able to break out of its sandb…
- CVE-2021-33141HIGHCVSS 8.6EG 8.62024-02-23
Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow an unauthenticated user to potentially enable denial of service via network access.
- CVE-2024-23324HIGHCVSS 8.6EG 8.62024-02-09
Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to ext_authz, circumventing ext_authz checks when failu…
- CVE-2024-1019HIGHCVSS 8.6EG 8.62024-01-30
ModSecurity / libModSecurity 3.0.0 to 3.0.11 is affected by a WAF bypass for path-based payloads submitted via specially crafted request URLs. ModSecurity v3 decodes percent-encoded characters present in request URLs before it separates th…
- CVE-2023-3769HIGHCVSS 8.6EG 8.62023-10-02
Incorrect data input validation vulnerability, which could allow an attacker with access to the network to implement fuzzing techniques that would allow him to gain knowledge about specially crafted packets that would create a DoS conditio…
- CVE-2023-3768HIGHCVSS 8.6EG 8.62023-10-02
Incorrect data input validation vulnerability, which could allow an attacker with access to the network to implement fuzzing techniques that would allow him to gain knowledge about specially crafted packets that would create a DoS conditio…
- CVE-2022-36392HIGHCVSS 8.6EG 8.62023-08-11
Improper input validation in some firmware for Intel(R) AMT and Intel(R) Standard Manageability before versions 11.8.94, 11.12.94, 11.22.94, 12.0.93, 14.1.70, 15.0.45, and 16.1.27 in Intel (R) CSME may allow an unauthenticated user to pote…
- CVE-2023-33964HIGHCVSS 8.6EG 8.62023-05-31
mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is no…
- CVE-2023-28649HIGHCVSS 8.6EG 8.62023-05-22
The Hub in the Snap One OvrC cloud platform is a device used to centralize and manage nested devices connected to it. A vulnerability exists in which an attacker could impersonate a hub and send device requests to claim already claimed dev…
- CVE-2023-20072HIGHCVSS 8.6EG 8.62023-03-23
A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service (DoS) condition.…
- CVE-2022-4904HIGHCVSS 8.6EG 8.62023-03-06
A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact o…
- CVE-2023-20020HIGHCVSS 8.6EG 8.62023-01-20
A vulnerability in the Device Management Servlet application of Cisco BroadWorks Application Delivery Platform and Cisco BroadWorks Xtended Services Platform could allow an unauthenticated, remote attacker to cause a denial of service (DoS…
- CVE-2022-3752HIGHCVSS 8.6EG 8.62022-12-19
An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable …
- CVE-2022-3157HIGHCVSS 8.6EG 8.62022-12-16
A vulnerability exists in the Rockwell Automation controllers that allows a malformed CIP request to cause a major non-recoverable fault (MNRF) and a denial-of-service condition (DOS).
- CVE-2022-40265HIGHCVSS 8.6EG 8.62022-11-30
Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware versi…
- CVE-2022-31766HIGHCVSS 8.6EG 8.62022-10-11
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V7.1.2), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions …
- CVE-2022-20919HIGHCVSS 8.6EG 8.62022-09-30
A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpected…
- CVE-2014-0144HIGHCVSS 8.6EG 8.62022-09-29
QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote use…
- CVE-2022-25161HIGHCVSS 8.6EG 8.62022-05-18
Improper Input Validation vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later and versions prior to 1.270, Mitsubishi Electric Mitsubishi Electric MELSE…
- CVE-2022-20715HIGHCVSS 8.6EG 8.62022-05-03
A vulnerability in the remote access SSL VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) …
- CVE-2022-20624HIGHCVSS 8.6EG 8.62022-02-23
A vulnerability in the Cisco Fabric Services over IP (CFSoIP) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to …
- CVE-2022-23425HIGHCVSS 8.6EG 8.62022-02-11
Improper input validation in Exynos baseband prior to SMR Feb-2022 Release 1 allows attackers to send arbitrary NAS signaling messages with fake base station.
- CVE-2021-23428HIGHCVSS 8.6EG 8.62021-09-01
This affects all versions of package elFinder.NetCore. The Path.Combine(...) method is used to create an absolute file path. Due to missing sanitation of the user input and a missing check of the generated path its possible to escape the F…
- CVE-2021-1588HIGHCVSS 8.6EG 8.62021-08-25
A vulnerability in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerabi…
- CVE-2021-33012HIGHCVSS 8.6EG 8.62021-07-09
Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause the PLC to fault when the controller is switched to RUN mode, which results in a denial-of-service con…
- CVE-2021-1402HIGHCVSS 8.6EG 8.62021-04-29
A vulnerability in the software-based SSL/TLS message handler of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS…
- CVE-2020-25097HIGHCVSS 8.6EG 8.62021-03-19
An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occu…
- CVE-2021-1279HIGHCVSS 8.6EG 8.62021-01-20
Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details sect…
- CVE-2020-3571HIGHCVSS 8.6EG 8.62020-10-21
A vulnerability in the ICMP ingress packet processing of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 4110 appliances could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an a…
- CVE-2020-3304HIGHCVSS 8.6EG 8.62020-10-21
A vulnerability in the web interface of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, result…
- CVE-2020-3527HIGHCVSS 8.6EG 8.62020-09-24
A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit th…
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