What’s Vulnerable › Vulnerabilities

CVE-2021-44458: Lack of websocket authentication in Lens causes remote code execution when visiting a malicious website

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-10 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• Mirantis Lens: through 5.2.6

References

• https://github.com/Mirantis/security/blob/main/advisories/0001.md
• https://github.com/Mirantis/security/blob/main/advisories/0001.md

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