What’s Vulnerable › Vulnerabilities

CVE-2020-8086

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-28 · updated 2026-06-17
• Weakness: CWE-863

Description

The mod_auth_ldap and mod_auth_ldap2 Community Modules through 2020-01-27 for Prosody incompletely verify the XMPP address passed to the is_admin() function. This grants remote entities admin-only functionality if their username matches the username of a local admin.

Affected products

• Debian Linux: 9.0, 10.0
• Prosody Mod Auth Ldap: through 2020-01-27
• Prosody Mod Auth Ldap2: through 2020-01-27

References

• https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap/mod_auth_ldap.lua
• https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap2/mod_auth_ldap2.lua
• https://prosody.im/security/advisory_20200128/
• https://seclists.org/bugtraq/2020/Feb/5
• https://www.debian.org/security/2020/dsa-4612
• https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap/mod_auth_ldap.lua
• https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap2/mod_auth_ldap2.lua
• https://prosody.im/security/advisory_20200128/
• https://seclists.org/bugtraq/2020/Feb/5
• https://www.debian.org/security/2020/dsa-4612

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