What is CVE-2021-4117?

CVE-2021-4117 is a medium-severity vulnerability in Yetiforce Customer Relationship Management, classified under CWE-840. CVSS score: 4.3/10. Published 2021-12-15.

How severe is CVE-2021-4117?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2021-4117 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Yetiforce Customer Relationship Management

CVE-2021-4117

yetiforcecrm is vulnerable to Business Logic Errors

Published 2021-12-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Yetiforce Customer Relationship Management
Yetiforcecompany Yetiforcecompany/yetiforcecrm — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

References

huntr.dev/bounties/0b81e572-bdc9-4caf-aa02-81f3c7ad7c0a (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/yetiforcecompany/yetiforcecrm/commit/8dccd93442725f245b4b71986bbe6f4… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-4117?: CVE-2021-4117 is a medium-severity vulnerability in Yetiforce Customer Relationship Management, classified under CWE-840. CVSS score: 4.3/10. Published 2021-12-15.
How severe is CVE-2021-4117?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-4117 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.