CVE-2019-1812 — Improper Verification of Cryptographic Signature in Cisco Nx-os Software

CWE-347 — Improper Verification of Cryptographic SignatureCWE-20 — Improper Input Validation5 documents5 sources
Severity
6.7MEDIUMNVD
EPSS
0.1%
top 79.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco Nx-os SoftwareCisco Nx-os
Timeline
PublishedMay 15
Latest updateMay 24

Description

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5cisco/cisco_nx-os_softwareunspecified — 8.3(1)
▶NVDcisco/nx-os6.0\(2\) — 7.0\(3\)i7\(5\)+3

🔴Vulnerability Details

2
GHSA
GHSA-x3cr-cmr6-6r74: A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-le↗2022-05-24
▶
CVEList
Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities↗2019-05-15
▶

📋Vendor Advisories

2
F5
CVE-2019-6654: On versions 14↗2019-09-25
▶
Cisco
Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities↗2019-05-15
▶
CVE-2019-1812 — Cisco Nx-os Software vulnerability | cvebase