CWE-203— Observable Discrepancy (Information Exposure via Side Channel)
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.— MITRE CWE catalog
832 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-203page 4 of 17
- CVE-2026-53933MEDIUMCVSS 6.9EG 6.92026-09-08
Maravel, a PHP framework oriented towards dependency injection, prior to version 10.73.1 has a side-channel information disclosure issue. When a route was compiled with dynamic placeholders (e.g., `/api/v1/users/{id}`), the raw string plac…
- CVE-2026-58503MEDIUMCVSS 6.9EG 6.92026-07-10
Frappe is a full-stack web application framework. Prior to 16.16.0 and 15.106.0, user enumeration could be performed via the reset_password endpoint. This issue is fixed in versions 16.16.0 and 15.106.0.
- CVE-2026-47379MEDIUMCVSS 6.9EG 6.92026-06-05
NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared-view password check fell back to strict-equality (===) comparison for legacy plaintext passwords, leaking the password's length and per-character pre…
- CVE-2025-6056MEDIUMCVSS 6.9EG 6.92025-07-04
Timing difference in password reset in Ergon Informatik AG's Airlock IAM 7.7.9, 8.0.8, 8.1.7, 8.2.4 and 8.3.1 allows unauthenticated attackers to enumerate usernames.
- CVE-2020-11683MEDIUMCVSS 6.8EG 6.82020-09-14
A timing side channel was discovered in AT91bootstrap before 3.9.2. It can be exploited by attackers with physical access to forge CMAC values and subsequently boot arbitrary code on an affected system.
- CVE-2026-87459MEDIUMCVSS 6.5EG 6.52026-09-09
Observable discrepancy in Select in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-87620MEDIUMCVSS 6.5EG 6.52026-09-09
Observable discrepancy in SVG in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-87623MEDIUMCVSS 6.5EG 6.52026-09-09
Observable discrepancy in DOM in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-87478MEDIUMCVSS 6.5EG 6.52026-09-09
Observable discrepancy in Autofill in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-78955MEDIUMCVSS 6.5EG 6.52026-08-25
Observable discrepancy in PerformanceAPIs in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-23937MEDIUMCVSS 6.5EG 6.52026-08-18
The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.
- CVE-2026-14085MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-14074MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-14071MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in WebAudio in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-13922MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in Paint in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11289MEDIUMCVSS 6.5EG 6.52026-06-04
Side-channel information leakage in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-11284MEDIUMCVSS 6.5EG 6.52026-06-04
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-28490MEDIUMCVSS 6.5EG 6.52026-03-16
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encr…
- CVE-2024-43763MEDIUMCVSS 6.5EG 6.52025-01-21
In build_read_multi_rsp of gatt_sr.cc, there is a possible denial of service due to a logic error in the code. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction…
- CVE-2023-30308MEDIUMCVSS 6.5EG 6.52024-05-28
An issue discovered in Ruijie EG210G-P, Ruijie EG105G-V2, Ruijie NBR, and Ruijie EG105G routers allows attackers to hijack TCP sessions which could lead to a denial of service.
- CVE-2023-5388MEDIUMCVSS 6.5EG 6.52024-03-19
NSS was susceptible to a timing side-channel attack when performing RSA decryption. This attack could potentially allow an attacker to recover the private data. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird…
- CVE-2023-6240MEDIUMCVSS 6.5EG 6.52024-02-04
A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.
- CVE-2023-4421MEDIUMCVSS 6.5EG 6.52023-12-12
The NSS code used for checking PKCS#1 v1.5 was leaking information useful in mounting Bleichenbacher-like attacks. Both the overall correctness of the padding as well as the length of the encrypted message was leaking through timing side-c…
- CVE-2023-40090MEDIUMCVSS 6.5EG 6.52023-12-04
In BTM_BleVerifySignature of btm_ble.cc, there is a possible way to bypass signature validation due to side channel information disclosure. This could lead to remote escalation of privilege with no additional execution privileges needed. U…
- CVE-2022-40982MEDIUMCVSS 6.5EG 6.52023-08-11
Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
- CVE-2023-20575MEDIUMCVSS 6.5EG 6.52023-07-11
A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of se…
- CVE-2023-25741MEDIUMCVSS 6.5EG 6.52023-06-02
When dragging and dropping an image cross-origin, the image's size could potentially be leaked. This behavior was shipped in 109 and caused web compatibility problems as well as this security concern, so the behavior was disabled until fur…
- CVE-2023-25728MEDIUMCVSS 6.5EG 6.52023-06-02
The <code>Content-Security-Policy-Report-Only</code> header could allow an attacker to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox < 110, Thunderbird < 102.…
- CVE-2023-26560MEDIUMCVSS 6.5EG 6.52023-04-26
Northern.tech CFEngine Enterprise before 3.21.1 allows a subset of authenticated users to leverage the Scheduled Reports feature to read arbitrary files and potentially discover credentials.
- CVE-2022-34125MEDIUMCVSS 6.5EG 6.52023-04-16
front/icon.send.php in the CMDB plugin before 3.0.3 for GLPI allows attackers to gain read access to sensitive information via a _log/ pathname in the file parameter.
- CVE-2022-45416MEDIUMCVSS 6.5EG 6.52022-12-22
Keyboard events reference strings like "KeyA" that were at fixed, known, and widely-spread addresses. Cache-based timing attacks such as Prime+Probe could have possibly figured out which keys were being pressed. This vulnerability affects …
- CVE-2022-45403MEDIUMCVSS 6.5EG 6.52022-12-22
Service Workers should not be able to infer information about opaque cross-origin responses; but timing information for cross-origin media combined with Range requests might have allowed them to determine the presence or length of a media …
- CVE-2022-31742MEDIUMCVSS 6.5EG 6.52022-12-22
An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linkin…
- CVE-2022-35888MEDIUMCVSS 6.5EG 6.52022-09-29
Ampere Altra and Ampere Altra Max devices through 2022-07-15 allow attacks via Hertzbleed, which is a power side-channel attack that extracts secret information from the CPU by correlating the power consumption with data being processed on…
- CVE-2022-2612MEDIUMCVSS 6.5EG 6.52022-08-12
Side-channel information leakage in Keyboard input in Google Chrome prior to 104.0.5112.79 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTM…
- CVE-2022-1146MEDIUMCVSS 6.5EG 6.52022-07-23
Inappropriate implementation in Resource Timing in Google Chrome prior to 100.0.4896.60 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
- CVE-2022-1139MEDIUMCVSS 6.5EG 6.52022-07-23
Inappropriate implementation in Background Fetch API in Google Chrome prior to 100.0.4896.60 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
- CVE-2022-24436MEDIUMCVSS 6.5EG 6.52022-06-15
Observable behavioral in power management throttling for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via network access.
- CVE-2022-23823MEDIUMCVSS 6.5EG 6.52022-06-15
A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.
- CVE-2021-46744MEDIUMCVSS 6.5EG 6.52022-05-11
An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.
- CVE-2022-22356MEDIUMCVSS 6.5EG 6.52022-04-05
IBM MQ Appliance 9.2 CD and 9.2 LTS could allow an attacker to enumerate account credentials due to an observable discrepancy in valid and invalid login attempts. IBM X-Force ID: 220487.
- CVE-2022-23643MEDIUMCVSS 6.5EG 6.52022-02-15
Sourcegraph is a code search and navigation engine. Sourcegraph versions 3.35 and 3.36 reintroduced a previously fixed side-channel vulnerabilitity in the Code Monitoring feature where strings in private source code could be guessed by an …
- CVE-2021-38009MEDIUMCVSS 6.5EG 6.52021-12-23
Inappropriate implementation in cache in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
- CVE-2021-43823MEDIUMCVSS 6.5EG 6.52021-12-13
Sourcegraph is a code search and navigation engine. Sourcegraph prior to version 3.33.2 is vulnerable to a side-channel attack where strings in private source code could be guessed by an authenticated but unauthorized actor. This issue aff…
- CVE-2021-38476MEDIUMCVSS 6.5EG 6.52021-10-19
InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 authentication process response indicates and validates the existence of a username. This may allow an attacker to enumerate different user accounts.
- CVE-2021-0089MEDIUMCVSS 6.5EG 6.52021-06-09
Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
- CVE-2021-0086MEDIUMCVSS 6.5EG 6.52021-06-09
Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
- CVE-2021-21181MEDIUMCVSS 6.5EG 6.52021-03-09
Side-channel information leakage in autofill in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
- CVE-2021-21173MEDIUMCVSS 6.5EG 6.52021-03-09
Side-channel information leakage in Network Internals in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
- CVE-2020-6473MEDIUMCVSS 6.5EG 6.52020-05-21
Insufficient policy enforcement in Blink in Google Chrome prior to 83.0.4103.61 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
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