CVE-2021-31631
CVE-2021-31631 is a high-severity vulnerability in B2evolution B2evolution Cms with a CVSS 3.x base score of 8.8. 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-352.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-352
- Affected product: B2evolution B2evolution Cms
- Published:
- Last modified:
Description
b2evolution CMS v7.2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the User login page. This vulnerability allows attackers to escalate privileges.
Frequently asked questions
- What is CVE-2021-31631?
- b2evolution CMS v7.2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the User login page. This vulnerability allows attackers to escalate privileges.
- How severe is CVE-2021-31631?
- CVE-2021-31631 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-31631 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-31631?
- CVE-2021-31631 affects B2evolution B2evolution Cms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-31631?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-31631 published?
- CVE-2021-31631 was published on 2021-12-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:b2evolution:b2evolution_cms:7.2.3:*:*:*:*:*:*:*
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