CVE-2022-20851

highpriority · track · 29EPSS 0.011 · 66 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.11% (66th) EPSS
CVSS 7.2 · high
Is it mine?
136 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI API. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. To exploit this vulnerability, an attacker must have valid Administrator privileges on the affected device.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.2
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.5–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9
v3.15.5mediumAV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.15.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:Nsecondary · ENISA EU
v3.15.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:Nsecondary · psirt@cisco.com USexploitability 1.2 · impact 4.2
v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.15.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:Nsecondary · Cisco PSIRT US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-77USCWE-77USCWE-78US
05

affected products (136)

Products and version ranges known to be affected.

showing 20 of 136
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-webui-cmdinj-Gje47EMnCisco IOS XE Software Web UI Command Injection Vulnerability2022-09-28csaf · cisco_csafUS

    A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI API. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. To exploit this vulnerability, an attacker must have valid Administrator privileges on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the September 2022 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74745"]

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisco_csafNVDCVE.orgMITRE
published 2022-09-30modified 2026-06-17
10

references (5)

External citations — patches, advisories, analysis.

scry

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