CVE-2021-34736: cisco cisco unified computing system (managed) Improper Input Validation
Vulnerability summary
CVE-2021-34736 is a high (CVSS 7.5) Improper Input Validation vulnerability in cisco cisco unified computing system (managed). EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.4% of scored vulnerabilities.
Timeline
- 21-10-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly restart. The vulnerability is due to insufficient input validation on the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause the interface to restart, resulting in a denial of service (DoS) condition.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
1.27%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.27% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco unified computing system (managed)n/a
- unified_computing_system< 4.1\(2g\) | ≥ 4.2, < 4.2\(1b\) | < 4.1\(3e\)
1 vendor · 2 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-gui-dos-TZjrFyZhVendor AdvisoryX Refsource CISCO