CVE-2021-46854 Information disclosure in n/a

What is CVE-2021-46854?

CVE-2021-46854 is a high-severity vulnerability in n/a, published on 23 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

Weakness: CWE-401

Which versions are affected by CVE-2021-46854?

It affects 1 product.

Products include Proftpd Proftpd.

How do I fix CVE-2021-46854?

Upgrade to a fixed version.

Is CVE-2021-46854 being exploited?

There is no known exploitation of CVE-2021-46854 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2010-4221 Memory corruption in n/a Critical 10.0
• CVE-2010-20103 ProFTPD 1.3.3c Backdoor Command Execution Critical 9.3
• CVE-2011-4130 Use after free in n/a Critical 9.0
• CVE-2026-63090 ProFTPD mod_sftp Heap Buffer Overflow via SFTP Packet Reassembly High 8.7
• CVE-2026-35025 ProFTPD ACL Bypass via /proc/self/root Path Prefix in RNFR High 8.6

Sources

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

Also known as DEBIAN-CVE-2021-46854, GHSA-qr96-w82v-r28g, OESA-2022-2127, OESA-2022-2128, UBUNTU-CVE-2021-46854.