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TI-2021-21568 Aliases CVE-2021-46900GHSA-qvwx-3j2c-25v2

Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but…

Priority LOW 33CWE-327Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-327.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00369 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:*before 6.2.62VulnerableSympa
  • cpe:2.3:a:sympa:sympa:*:*:*:*:*:*:*:* Versions before 6.2.62 Vulnerable ·Sympa

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46900
  2. 2026-10-03 Alias added: GHSA-qvwx-3j2c-25v2

References

Advisory 3

  • TI-2018-15946 The Sympa Community Sympa version prior to version 6.2.32 contains a Directory Traversal… CVSS 3.0CRITICAL 9.8
  • TI-2012-02081 The archive management (arc_manage) page in wwsympa/wwsympa.fcgi.in in Sympa before… CVSS 2.0HIGH 7.5
  • TI-2020-07491 Sympa 6.2.38 through 6.2.52 allows remote attackers to cause a denial of service (disk… CVSS 3.1HIGH 7.5
  • TI-2020-08817 Sympa before 6.2.56 allows privilege escalation. CVSS 3.1HIGH 7.8
  • TI-2020-16310 Sympa through 6.2.57b.2 allows a local privilege escalation from the sympa user account… CVSS 3.1HIGH 7.8
  • TI-2018-16023 sympa version 6.2.16 and later contains a CWE-601: URL Redirection to Untrusted Site… CVSS 3.0MEDIUM 6.1
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences