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TI-2022-08546 Aliases CVE-2022-24732GHSA-6cp7-g972-w9m9

Maddy Mail Server does not implement account expiry

Priority LOW 38CWE-324Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-613.

Summary

Maddy Mail Server is an open source SMTP compatible email server. Versions of maddy prior to 0.5.4 do not implement password expiry or account expiry checking when authenticating using PAM. Users are advised to upgrade. Users unable to upgrade should manually remove expired accounts via existing filtering mechanisms.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00409 35th percentileScored 2026-11-07
Fix Fixed maddy (foxcpp): 0.5.4github.com/foxcpp/maddy (Go): 0.5.4

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
foxcppmaddybefore 0.5.40.5.4Patch availableCNA
—github.com/foxcpp/maddy (Go)before 0.5.40.5.4Patch availableGHSA-6cp7-g972-w9m9
  • maddy Vendorfoxcpp Affected before 0.5.4 Fixed in 0.5.4 Patch available CNA
  • github.com/foxcpp/maddy (Go) Vendor— Affected before 0.5.4 Fixed in 0.5.4 Patch available GHSA-6cp7-g972-w9m9

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:maddy_project:maddy:*:*:*:*:*:*:*:*0.5.0 to before 0.5.4VulnerableMaddy Project
  • cpe:2.3:a:maddy_project:maddy:*:*:*:*:*:*:*:* Versions 0.5.0 to before 0.5.4 Vulnerable ·Maddy Project

Remediation

  • Fix · CNA maddy (foxcpp) Fixed in 0.5.4
  • Fix · GHSA-6cp7-g972-w9m9 github.com/foxcpp/maddy (Go) Fixed in 0.5.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-24732
  2. 2026-10-03 Alias added: GHSA-6cp7-g972-w9m9

References

  • TI-2026-29007 Maddy Mail Server: LDAP Filter Injection via Unsanitized Username CVSS 3.1HIGH 8.2
  • TI-2023-12292 Full authentication bypass if SASL authorization username is specified CVSS 3.1CRITICAL 9.8
  • TI-2021-18860 A Broken or Risky Cryptographic Algorithm exists in Max Mazurov Maddy before 0.5.2, which… CVSS 3.1HIGH 7.5

Sources