How severe is CVE-2021-4117?

CVE-2021-4117 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-4117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4117?

CVE-2021-4117 affects Yetiforce Yetiforce Customer Relationship Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4117?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-4117 published?

CVE-2021-4117 was published on 2021-12-15 and last updated on 2026-06-17.

CVE-2021-4117

CVE-2021-4117 is a medium-severity vulnerability in Yetiforce Yetiforce Customer Relationship Management with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Yetiforce Yetiforce Customer Relationship Management
Published: 2021-12-15
Last modified: 2026-06-17

Description

yetiforcecrm is vulnerable to Business Logic Errors

Frequently asked questions

What is CVE-2021-4117?: yetiforcecrm is vulnerable to Business Logic Errors
How severe is CVE-2021-4117?: CVE-2021-4117 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-4117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4117?: CVE-2021-4117 affects Yetiforce Yetiforce Customer Relationship Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4117?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4117 published?: CVE-2021-4117 was published on 2021-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yetiforce:yetiforce_customer_relationship_management:*:*:*:*:*:*:*:*

More vulnerabilities in Yetiforce Yetiforce Customer Relationship Management

CVE-2022-0269 — High (CVSS 8.0): Cross-Site Request Forgery (CSRF) in Packagist yetiforce/yetiforce-crm prior to 6.3.0.
CVE-2023-49508 — Medium (CVSS 6.5): Directory Traversal vulnerability in YetiForceCompany YetiForceCRM versions 6.4.0 and before allows a remote…
CVE-2022-1411 — Medium (CVSS 6.1): Unrestructed file upload in GitHub repository yetiforcecompany/yetiforcecrm prior to 6.4.0. Attacker can send malicious…
CVE-2021-4121 — Medium (CVSS 6.1): yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-4107 — Medium (CVSS 6.1): yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2022-3002 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Stored in GitHub repository yetiforcecompany/yetiforcecrm prior to 6.4.0.

All CVEs affecting Yetiforce Yetiforce Customer Relationship Management →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →