CVE-2020-8086 Auth bypass in n/a

What is CVE-2020-8086?

CVE-2020-8086 is a critical authentication bypass vulnerability in Debian Debian Linux, published on 28 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-863

Which versions are affected by CVE-2020-8086?

It affects 3 products.

Products include Debian Debian Linux, Prosody Mod Auth Ldap, Prosody Mod Auth Ldap2.

How do I fix CVE-2020-8086?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-8086 being exploited?

There is no known exploitation of CVE-2020-8086 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-8086, DSA-4612-1, GHSA-hq2x-6q7v-jx98, UBUNTU-CVE-2020-8086.