CVE-2021-40120

CWE-20 — Improper Input ValidationCWE-78 — OS Command Injection4 documents4 sources
Severity
7.2HIGH
EPSS
0.5%
top 34.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco Cisco Small Business RV Series Router FirmwareCisco Application Extension PlatformCisco IOS XR
Timeline
PublishedNov 4
Latest updateMay 24

Description

A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker with administrative privileges to inject arbitrary commands into the underlying operating system and execute them using root-level privileges. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to a specific field in the web-based management interface …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NExploitability: 1.2 | Impact: 5.2

Affected Packages3 packages

▶NVDcisco/ios_xr4.2.3.06

🔴Vulnerability Details

2
GHSA
GHSA-f2p2-qfcm-69wm: A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker↗2022-05-24
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CVEList
Cisco Small Business RV Series Routers Command Injection Vulnerability↗2021-11-04
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📋Vendor Advisories

1
Cisco
Cisco Small Business RV Series Routers Command Injection Vulnerability↗2021-11-03
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CVE-2021-40120 (HIGH CVSS 7.2) | A vulnerability in the web-based ma | cvebase.io