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CVE-2022-20962

HIGHCVSS 8.8/10EPSS 0.95%

Last modified

CVE-2022-20962 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to make unauthorized changes to the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request with absolute path sequences. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to make unauthorized changes to the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request with absolute path sequences. A successful exploit could allow the attacker to upload malicious files to arbitrary locations within the file system. Using this method, it is possible to access the underlying operating system and execute commands with system privileges.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.95%

56.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIdentity Services Engine3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-20962?
A vulnerability in the Localdisk Management feature of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to make unauthorized changes to the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted HTTP request with absolute path sequences. A successful exploit could allow the attacker to upload malicious files to arbitrary locations within the file system. Using this method, it is possible to access the underlying operating system and execute commands with system privileges.
How severe is CVE-2022-20962?
CVE-2022-20962 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.
How do I fix CVE-2022-20962?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20962?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST