CVE-2021-41943: Logrhythm Web Console 7.4.9 allows for HTML tag injection through Contextualize Action -> Create a new Context

Routine

MEDIUM 6.1DOWNGRADE

CVE-2021-41943 is a medium-severity flaw (CVSS 6.1) affecting logrhythm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Logrhythm Web Console 7.4.9 allows for HTML tag injection through Contextualize Action -> Create a new Contextualize Action -> Inject your HTML tag in the name field.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-12-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: logrhythm

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

Am I affected?

Timeline

2022-12-13 00:15 UTCPublished CVE record published
2026-06-17 04:09 UTCUpdated Record last modified

logrhythm logrhythm DOWNGRADE

Affected: 7.4.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.4.9

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 7.4.9 (Debian / Ubuntu)

apt-cache madison logrhythm sudo apt install logrhythm=<VERSION_BEFORE_7.4.9> sudo apt-mark hold logrhythm

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list logrhythm sudo dnf downgrade logrhythm-<VERSION_BEFORE_7.4.9> sudo dnf versionlock add logrhythm

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2021-41943?

logrhythm: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-41943 being exploited?

CVE-2021-41943 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-2021-41943 affect?

CVE-2021-41943 affects logrhythm. Severity is medium (CVSS 6.1). Logrhythm Web Console 7.4.9 allows for HTML tag injection through Contextualize Action -> Create a new Contextualize Action -> Inject your HTML tag in the name field.

How urgent is CVE-2021-41943?

Priority 32/100. No elevated risk signals yet.

References

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