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CVE-2022-20929

HIGH

7.8

CVSS Score

Published: March 8, 2023 at 02:33 PM UTC

Updated: June 17, 2026 at 04:25 AM UTC

1 product affected across 1 vendorEnterprise Nfv Infrastructure

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

Description

A vulnerability in the upgrade signature verification of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, local attacker to provide an unauthentic upgrade file for upload. This vulnerability is due to insufficient cryptographic signature verification of upgrade files. An attacker could exploit this vulnerability by providing an administrator with an unauthentic upgrade file. A successful exploit could allow the attacker to fully compromise the Cisco NFVIS system.

Affected

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

Enterprise Nfv Infrastructure · Cisco

95%

3.5.1 ≤ v < 4.9.13.10.1 3.10.2 3.10.3 3.11.1 3.11.2 3.11.3 3.12.1 3.12.1a 3.12.1b 3.12.2 3.12.3 3.5.1 3.5.2 3.6.1 3.6.2 3.6.3 3.7.1 3.8.1 3.9.1 3.9.2 4.1.1 4.1.2 4.2.1 4.4.1 4.4.2 4.5.1 4.6.1 4.6.2 4.6.2-FC3 4.6.3 4.7.1 4.8.1 4.9.1

Affected range stops below 4.9.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-ISV-BQrvEv2h

References (1)

Vendor Advisory

Source: [email protected]

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-ISV-BQrvEv2h

CVSS

7.8HIGHcisco

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-347

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