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CVE-2021-1354

Cisco Unified Computing System Central Software Improper Certificate Validation Vulnerability

LOW
3.5
CVSS Score
Published: February 4, 2021 at 04:40 PM UTC
Updated: June 17, 2026 at 03:31 AM UTC
2 products affected across 1 vendorUnified Computing System Central SoftwareUnified Computing System Central

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Severity
LOW3.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Unified Computing System Central Software· Cisco
95%
v < 2.0(1m)
Affected range stops below 2.0(1m), so it looks safe — our inference, not a vendor statement
Unified Computing System Central· Cisco
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisoryx_refsource_CISCO
Source: [email protected]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-invcert-eOpRvCKH

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.5LOW[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-295

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