Vulnerability Details : 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 category: Cross site scripting (XSS)
Products affected by CVE-2021-46900
- cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-46900
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46900
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST | 2024-01-10 |
CWE ids for CVE-2021-46900
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-46900
-
https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md
sympa-community.github.io/security/2021-001.md at master · sympa-community/sympa-community.github.io · GitHubMitigation;Vendor Advisory
-
https://github.com/sympa-community/sympa/issues/1091
Obsolete `cookie` parameter · Issue #1091 · sympa-community/sympa · GitHubIssue Tracking;Mitigation;Vendor Advisory
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https://www.sympa.community/security/2021-001.html
2021-001 Inappropriate use of the cookie parameter - SympaMitigation;Vendor Advisory
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