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CVE-2001-0554

Published: Mar 9, 2002Updated: Apr 16, 2026 Sources: CVE List NVD BDUCWE-120
10.0CRITICAL
NVD MITRE
EPSS Score
37.9%
Top 1.6%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
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Weaknesses

CWE-120

Affected Products

mit
oss-project·USaka mit krb5, mit kerberos
kerberosOn-prem
Security Products / pki-crypto
kerberos 5On-prem
Operating Systems
sun
commercial·US
solarisOn-premOS
Operating Systems / unix-bsd
sunosOn-premOS
Operating Systems / unix-bsd
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
netkit
oss-projectaka linux netkit
linux netkitOn-prem
Networking Infrastructure / network-management
sgi
commercial·USaka s g i, sg i
irixOS
Operating Systems / unix-bsd
freebsd
oss-project·US
freebsdOn-premOS
Operating Systems / unix-bsd
and 5 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://rhn.redhat.com/errata/RHSA-2001-099.html
rhn.redhat.com
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.asc
ftp.freebsd.org
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.asc
ftp.netbsd.org
and 23 more references View all →

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