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MEDIUM · 5.5

CVE-2022-20851

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 ins...

Vulnerability Description

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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
CiscoIos Xe17.6.1
Cisco1000 Integrated Services Router-
Cisco1100-4G Integrated Services Router-
Cisco1100-4P Integrated Services Router-
Cisco1100-6G Integrated Services Router-
Cisco1100-8P Integrated Services Router-
Cisco1100 Integrated Services Router-
Cisco1101-4P Integrated Services Router-
Cisco1101 Integrated Services Router-
Cisco1109-2P Integrated Services Router-
Cisco1109-4P Integrated Services Router-
Cisco1109 Integrated Services Router-
Cisco1111X-8P Integrated Services Router-
Cisco1111X Integrated Services Router-
Cisco111X Integrated Services Router-
Cisco1120 Integrated Services Router-
Cisco1131 Integrated Services Router-
Cisco1160 Integrated Services Router-
Cisco4000 Integrated Services Router-
Cisco4221 Integrated Services Router-

Related Weaknesses (CWE)

CWE-78CWE-77

References

FAQ

What is CVE-2022-20851?

CVE-2022-20851 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ins...

How severe is CVE-2022-20851?

CVE-2022-20851 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-20851?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe, Cisco 1000 Integrated Services Router, Cisco 1100-4G Integrated Services Router, Cisco 1100-4P Integrated Services Router, Cisco 1100-6G Integrated Services Router.