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.

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)

EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.

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.

Affected products

Sympa
N/a — versions n/a

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

cve@mitre.org (Mitigation, Vendor Advisory)
cve@mitre.org (Mitigation, Vendor Advisory)
cve@mitre.org (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.