CVE-2010-4221
EPSS 92.1%
Description
Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.
How to fix CVE-2010-4221
To remediate CVE-2010-4221, upgrade the affected package to a fixed version below.
- Debian/proftpd-dfsg—upgrade to 1.3.3a-5 or later
Is CVE-2010-4221 being exploited?
Likely — EPSS is 92.1%, placing CVE-2010-4221 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 1.3.3a-5