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TI-2021-00991 Aliases CVE-2021-1264GHSA-j5x7-4h7r-4q2r

Cisco DNA Center Command Runner Command Injection Vulnerability

Priority MEDIUM 48CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03886 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Digital Network Architecture Center (DNA Center)all versions—No fix listedCNA
  • Cisco Digital Network Architecture Center (DNA Center) VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*before 1.3.1.0VulnerableCisco
  • cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:* Versions before 1.3.1.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-1264
  2. 2026-10-03 Alias added: GHSA-j5x7-4h7r-4q2r
  3. 2026-10-16 EPSS moved to the 90th–95th percentile

References

Advisory 1

  • TI-2020-02961 Cisco DNA Center Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
  • TI-2019-01464 Cisco DNA Center Unintended Proxy Via SWIM Import Interface Vulnerability CVSS 3.0HIGH 8.1
  • TI-2023-06763 Cisco DNA Center Privilege Escalation Vulnerability CVSS 3.1HIGH 8.8
  • TI-2021-01030 Cisco DNA Center Privilege Escalation Vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-16396 Cisco Catalyst Center Arbitrary File Read Vulnerability CVSS 3.1HIGH 7.5
  • TI-2025-14644 Cisco DNA Center API Command Injection Vulnerability CVSS 3.1HIGH 8.8
See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences