CVE-2021-42562

Name: CVE-2021-42562
Creator: NVD / NIST
Published: 2022-01-12T19:15:08.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.19%

Last modified Jun 17, 2026

CVE-2021-42562 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. An issue was discovered in CALDERA 2.8.1. It does not properly segregate user privileges, resulting in non-admin users having access to read and modify configuration or other components that should only be accessible by admin users.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

Description

An issue was discovered in CALDERA 2.8.1. It does not properly segregate user privileges, resulting in non-admin users having access to read and modify configuration or other components that should only be accessible by admin users.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.19%

64.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Mitre	Caldera	<= 2.8.1

References

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42562-Improper%20Access%20Control-MITRE%20CalderaExploit, Third Party Advisory
https://github.com/mitre/caldera/releasesRelease Notes, Third Party Advisory
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42562-Improper%20Access%20Control-MITRE%20CalderaExploit, Third Party Advisory
https://github.com/mitre/caldera/releasesRelease Notes, Third Party Advisory

Timeline

Published: Jan 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42562?

How severe is CVE-2021-42562?

CVE-2021-42562 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42562?

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-2021-42562?

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

Scan your code now

Source: NVD / NIST