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TI-2021-08728 Aliases CVE-2021-27181GHSA-67cc-qhr2-wwqr

An issue was discovered in MDaemon before 20.0.4.

Priority LOW 39CWE-352Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.

Summary

An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.

Why it matters now

EPSS 0.0065 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

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:altn:mdaemon:*:*:*:*:*:*:*:*before 20.0.4VulnerableAltn
  • cpe:2.3:a:altn:mdaemon:*:*:*:*:*:*:*:* Versions before 20.0.4 Vulnerable ·Altn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27181
  2. 2026-10-03 Alias added: GHSA-67cc-qhr2-wwqr
  3. 2026-10-16 EPSS moved to the 50th–90th percentile

References

Exploit 1

Advisory 1

  • TI-2008-01307 Stack-based buffer overflow in the IMAP server in Alt-N Technologies MDaemon 9.6.4 allows… CVSS 2.0MEDIUM 6.5
  • TI-2008-02521 The WordClient interface in Alt-N Technologies MDaemon 9.6.5 allows remote attackers to… CVSS 2.0MEDIUM 5.0
  • TI-2021-08729 An issue was discovered in MDaemon before 20.0.4. CVSS 3.1HIGH 8.8
  • TI-2021-08730 An issue was discovered in MDaemon before 20.0.4. CVSS 3.1HIGH 7.2
  • TI-2021-08727 An issue was discovered in MDaemon before 20.0.4. CVSS 3.1MEDIUM 6.1
  • TI-2019-06475 MDaemon Webmail 14.x through 18.x before 18.5.2 has XSS (issue 2 of 2). CVSS 3.0MEDIUM 6.1
See all 10 →

Sources

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