TI-2021-01081 Aliases CVE-2021-1354 GHSA-grv9-44cv-g58h

Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability

LOW 20CWE-295Published 2021-02-04 · Updated 2024-11-08

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

A vulnerability in the certificate registration process of Cisco Unified Computing System (UCS) Central Software could allow an authenticated, adjacent attacker to register a rogue Cisco Unified Computing System Manager (UCSM). This vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by sending a crafted HTTP request to the registration API. A successful exploit could allow the attacker to register a rogue Cisco UCSM and gain access to Cisco UCS Central Software data and Cisco UCSM inventory data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00421 36th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Unified Computing System Central Software	all versions	—	No fix listed	CNA

Cisco Unified Computing System Central Software VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:unified_computing_system_central_software::::::::	before 2.0\(1m\)	Vulnerable	Cisco

cpe:2.3:a:cisco:unified_computing_system_central_software:*:*:*:*:*:*:*:* Versions before 2.0\(1m\) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-1354
2026-10-03 Alias added: GHSA-grv9-44cv-g58h

References

Advisory 1

20210203 Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability

TI-2015-00652 Cisco UCS Central Software before 1.3(1a) allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
TI-2016-01243 Cisco Unified Computing System (UCS) Central Software 1.3(1b) and earlier allows remote… CVSS 3.0CRITICAL 9.8
TI-2018-00088 Improper input validation in Cisco UCS Central CVSS 3.0HIGH 8.8
TI-2018-00069 Protection mechanism failure in Cisco UCS Central Software CVSS 3.0HIGH 7.5
TI-2014-00680 Cisco Unified Computing System (UCS) Central Software 1.1 and earlier allows local users… CVSS 2.0MEDIUM 6.8
TI-2016-01292 Cross-site scripting (XSS) vulnerability in the management interface in Cisco Unified… CVSS 3.0MEDIUM 6.1

See all 11 →

Sources

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