CVE-2021-1264 json
Cisco DNA Center Command Runner Command Injection Vulnerability
published 2021-01-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-6731
- cvss
- 9.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.9%
- EPSS 3.9% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- cisco catalyst_center 1.3.1.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
3.89% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- Cisco Cisco Digital Network Architecture Center (DNA Center)
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
Sources
- CVE List CVE-2021-1264
- NVD CVE-2021-1264
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