CVE-2021-1264: cisco catalyst_center OS Command Injection
Vulnerability summary
CVE-2021-1264 is a critical (CVSS 9.6) OS Command Injection vulnerability in cisco catalyst_center. EPSS estimates a 3.89% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities.
Timeline
- 20-01-2021PublishedVulnerability first disclosed.
- 12-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the Command Runner tool of Cisco DNA Center could allow an authenticated, remote attacker to perform a command injection attack. The vulnerability is due to insufficient input validation by the Command Runner tool. An attacker could exploit this vulnerability by providing crafted input during command execution or via a crafted command runner API call. A successful exploit could allow the attacker to execute arbitrary CLI commands on devices managed by Cisco DNA Center.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
3.89%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.16 pp
From 3.72% on 19-09-2026
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
1 vendor · 2 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-cmdinj-erumsWh9Vendor AdvisoryX Refsource CISCO