CVE-2021-46900
HIGH
7.5
CVSS Score
Published: December 31, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:15 AM UTC
1 product affected across 1 vendorSympa
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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known 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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
MitigationVendor Advisory
Source: [email protected]
https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.mdIssue TrackingMitigationVendor Advisory
Source: [email protected]
https://github.com/sympa-community/sympa/issues/1091MitigationVendor Advisory
Source: [email protected]
https://www.sympa.community/security/2021-001.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-327
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