CVE-2021-4107

MEDIUMNVD 6.15.3
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2021-12-16. NVD baseline CVSS 6.1; sources differ by 0.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS v3
6.1
EG Score
5.3(medium)
EPSS
51.7%
KEV
Not listed

Published

December 14, 2021

Last Modified

November 21, 2024

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
yetiforce/yetiforce-crm4.0.0 ... 6.3.0 (17 versions)

Frequently asked(5)

What is CVE-2021-4107?
CVE-2021-4107 is a medium vulnerability published on December 14, 2021. yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
When was CVE-2021-4107 disclosed?
CVE-2021-4107 was first published in the National Vulnerability Database on December 14, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-4107 actively exploited?
CVE-2021-4107 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-4107?
CVE-2021-4107 has a CVSS v3 base score of 6.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.3.
How do I remediate CVE-2021-4107?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-4107, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-4107

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Is Your Infrastructure Affected by CVE-2021-4107?

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