Vulnerability in Sympa
CVE-2021-46900
Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.sympa.community/security/2021-001.html (Mitigation, Vendor Advisory)
- github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-… (Mitigation, Vendor Advisory)
- github.com/sympa-community/sympa/issues/1091 (Mitigation, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-46900?
- CVE-2021-46900 is a high-severity vulnerability in Sympa, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2023-12-31.
- How severe is CVE-2021-46900?
- High severity. CVSS v3 base score is 7.5 out of 10.