CVE-2021-44458

Name: CVE-2021-44458
Creator: NVD / NIST
Published: 2022-01-10T16:15:09.673+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2021-44458 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Linux users running Lens 5.2.6 and earlier could be compromised by visiting a malicious website. The malicious website could make websocket connections from the victim's browser to Lens and so operate the local terminal feature. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Linux users running Lens 5.2.6 and earlier could be compromised by visiting a malicious website. The malicious website could make websocket connections from the victim's browser to Lens and so operate the local terminal feature. This would allow the attacker to execute arbitrary commands as the Lens user.

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

0.43%

34.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mirantis	Lens	<= 5.2.6

References

https://github.com/Mirantis/security/blob/main/advisories/0001.mdThird Party Advisory
https://github.com/Mirantis/security/blob/main/advisories/0001.mdThird Party Advisory

Timeline

Published: Jan 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44458?

How severe is CVE-2021-44458?

CVE-2021-44458 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44458?

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-2021-44458?

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

Scan your code now

Source: NVD / NIST