CVE-2021-23154: In Lens prior to 5.3.4, custom helm chart configuration creates helm commands from string concatenation of pro

Q: How do I fix CVE-2021-23154?

lens: upgrade to newer than 5.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2021-23154 being exploited?

CVE-2021-23154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-23154 affect?

CVE-2021-23154 affects lens. Severity is medium (CVSS 6.3). In Lens prior to 5.3.4, custom helm chart configuration creates helm commands from string concatenation of provided arguments which are then executed in the user's shell. Arguments can be provided which cause arbitrary shell commands to run

Q: How urgent is CVE-2021-23154?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.3UPGRADE

CVE-2021-23154 is a medium-severity flaw (CVSS 6.3) affecting lens. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Lens prior to 5.3.4, custom helm chart configuration creates helm commands from string concatenation of provided arguments which are then executed in the user's shell. Arguments can be provided which cause arbitrary shell commands to run on the system.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-94, CWE-78
Published	2022-01-10
Last modified	2026-06-17

Publisher (CNA): Mirantis · Vendor: mirantis

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-01-10 16:15 UTCPublished CVE record published
2026-06-17 03:38 UTCUpdated Record last modified

mirantis lens UPGRADE

Affected: <= 5.3.3

Fixed in: newer than 5.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lens || rpm -q lens || lens --version

2. UPGRADE to newer than 5.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lens

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lens

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-23154?

lens: upgrade to newer than 5.3.3. Exact commands for each OS are on this page.

Is CVE-2021-23154 being exploited?

CVE-2021-23154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-23154 affect?

CVE-2021-23154 affects lens. Severity is medium (CVSS 6.3). In Lens prior to 5.3.4, custom helm chart configuration creates helm commands from string concatenation of provided arguments which are then executed in the user's shell. Arguments can be provided which cause arbitrary shell commands to run

How urgent is CVE-2021-23154?

Priority 34/100. No elevated risk signals yet.

Software pages

Helm vulnerabilities

Related CVEs

CVE-2023-4468 MEDIUM 4.3 MITIGATE MITIGATE A vulnerability was found in Poly Trio 8500, Trio 8800 and Trio C60
CVE-2021-44458 HIGH 8.3 UPGRADE Linux users running Lens 5.2.6 and earlier could be compromised by visiting a malicious website

References

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