CVE-2021-34721 — OS Command Injection in Cisco IOS XR

CWE-78 — OS Command InjectionCWE-88 — Argument Injection4 documents4 sources
Severity
6.7MEDIUMNVD
EPSS
0.1%
top 75.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XRCisco IOS XR Software
Timeline
PublishedSep 9
Latest updateMay 24

Description

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.

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

▶NVDcisco/ios_xr7.4.0 — 7.4.1+2

🔴Vulnerability Details

2
GHSA
GHSA-9r24-f9qq-w8p5: Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell↗2022-05-24
▶
CVEList
Cisco IOS XR Software Command Injection Vulnerabilities↗2021-09-09
▶

📋Vendor Advisories

1
Cisco
Cisco IOS XR Software Command Injection Vulnerabilities↗2021-09-08
▶
CVE-2021-34721 — OS Command Injection in Cisco IOS XR | cvebase