A vulnerability in the web UI of Cisco Small Business Switches could allow an unauthenticated, remote attacker to access sensitive device information. The vulnerability exists because the software lacks proper authentication controls to information accessible from the web UI. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of an affected device. A successful exploit could allow the attacker to access sensitive device information, which includes configuration files.
CVE-2019-15993
Score 5.3 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 5.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 95.1%
- KEV
- Not listed
Published
September 23, 2020
Last Modified
November 21, 2024
References (4)
- psirt@ciscohttp://packetstormsecurity.com/files/171723/Cisco-Dell-Netgear-Information-Disclosure-Hash-Decrypter.html
- psirt@ciscohttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200129-smlbus-switch-disclos
- af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/171723/Cisco-Dell-Netgear-Information-Disclosure-Hash-Decrypter.html
- af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200129-smlbus-switch-disclos
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
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- 2026-06-30 23:20 UTCEPSS rescore
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- 2026-06-29 14:03 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-22 14:23 UTCEPSS rescore
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- 2026-06-15 17:45 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
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- 2026-05-31 22:29 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-23 07:26 UTCEG score recompute
- 2026-05-23 07:26 UTCGHSA enrichment
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-51248First seen Apr 5, 2023
Dell EMC Networking PC5500 firmware versions 4.1.0.22 and Cisco Sx / SMB - Information Disclosure
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-287 · CWE-16
Frequently asked(5)
What is CVE-2019-15993?
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Dependency Blast Radius
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