CVE-2001-0554 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 38.7% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 38.75% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-120 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2001-08-14 |
| Last modified | 2026-06-16 |
Affected (11)
| Vendor | Product |
|---|---|
| debian | debian linux |
| freebsd | freebsd |
| ibm | aix |
| mit | kerberos |
| mit | kerberos 5 |
| netbsd | netbsd |
| netkit | linux netkit |
| openbsd | openbsd |
| sgi | irix |
| sun | solaris |
| sun | sunos |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Solaris 2.x/7.0/8 / IRIX 6.5.x / OpenBSD 2.x / NetBSD 1.x / Debian 3 / HP-UX 10 - 'TelnetD' Remote Buffer Overflow | 2001-07-18 |
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.asc
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.asc
- ftp://patches.sgi.com/support/free/security/advisories/20010801-01-P
- ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txt
- http://archives.neohapsis.com/archives/hp/2001-q4/0014.html
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000413
- http://ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtml
- http://online.securityfocus.com/advisories/3476
- http://online.securityfocus.com/archive/1/199496
- http://online.securityfocus.com/archive/1/199541
- http://online.securityfocus.com/archive/1/203000
- http://www.calderasystems.com/support/security/advisories/CSSA-2001-030.0.txt
- http://www.cert.org/advisories/CA-2001-21.html
- http://www.ciac.org/ciac/bulletins/l-131.shtml
- http://www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtml
- http://www.debian.org/security/2001/dsa-070
- http://www.debian.org/security/2001/dsa-075
- http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3
- http://www.novell.com/linux/security/advisories/2001_029_nkitb_txt.html
- http://www.osvdb.org/809
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