CVE-2021-46900
highpriority · track · 30OT risk · elevatedEPSS 0.004 · 31 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2021-46900/cnnvd
- https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.mdcnnvd
- https://github.com/sympa-community/sympa/issues/1091cnnvd
- https://github.com/sympa-community/sympa/releasesPatchcnnvd
- https://www.sympa.community/security/2021-001.htmlcnnvd
- https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.mdenisa_euvd
- https://github.com/sympa-community/sympa/issues/1091enisa_euvd
- https://www.sympa.community/security/2021-001.htmlenisa_euvd
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