VulnerabilityModified
CVE-2021-46900
Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.
HIGH 7.5EPSS 0.37%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327
- Affected
- sympa/sympa
- Source
- cve@mitre.org
References
- https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.mdMitigation, Vendor Advisory
- https://github.com/sympa-community/sympa/issues/1091Issue Tracking, Mitigation, Vendor Advisory
- https://www.sympa.community/security/2021-001.htmlMitigation, Vendor Advisory
- https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.mdMitigation, Vendor Advisory
- https://github.com/sympa-community/sympa/issues/1091Issue Tracking, Mitigation, Vendor Advisory
- https://www.sympa.community/security/2021-001.htmlMitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.