CVE-2007-0956 describes a critical authentication bypass vulnerability in the telnet daemon (telnetd) of MIT krb5 before version 1.6.1, affecting various Linux distributions including Canonical and Debian. An unauthenticated remote attacker can gain full system access by providing a username starting with a hyphen. This vulnerability carries a maximum CVSS score of 10.0, indicating a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity and EPSS score, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.6.1CPE matchmatch criteria | cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* | ||
5.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:* | ||
6.06CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.