01 Record

CVE-2001-0554

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 38.74% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 98.4% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2002-03-09 05:00Z24 YR AGO

Last updated

2024-08-08 04:21Z2 YR AGO

Reserved

2001-07-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

c6db85a7c43a842e749505f862e8cd924f6fd2ec05d7e6a1622848afe64c6218

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

freebsdfreebsdNot specified—

ibmaixNot specified—

mitkerberosNot specified—

mitkerberos_5Not specified—

netbsdnetbsdNot specified—

netkitlinux_netkitNot specified—

openbsdopenbsdNot specified—

redhatlinuxNot specified—

sgiirixNot specified—

sunsolarisNot specified—

sunsunosNot specified—

06 References

distro.conectiva.com.brCLA-2001:413http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000413vendor-advisoryx_refsource_CONECTIVA
www.linux-mandrake.comMDKSA-2001:068http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3vendor-advisoryx_refsource_MANDRAKE
www.ciac.orgL-131http://www.ciac.org/ciac/bulletins/l-131.shtmlthird-party-advisorygovernment-resourcex_refsource_CIAC
ftp.support.compaq.comSSRT0745Uhttp://ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtmlvendor-advisoryx_refsource_COMPAQ
exchange.xforce.ibmcloud.comtelnetd-option-telrcv-bo(6875)https://exchange.xforce.ibmcloud.com/vulnerabilities/6875vdb-entryx_refsource_XF
www.osvdb.org809http://www.osvdb.org/809vdb-entryx_refsource_OSVDB
online.securityfocus.comMSS-OAR-E01-2001:298http://online.securityfocus.com/advisories/3476vendor-advisoryx_refsource_IBM
online.securityfocus.com20010725 Telnetd AYT overflow scannerhttp://online.securityfocus.com/archive/1/199496mailing-listx_refsource_BUGTRAQ
online.securityfocus.com20010810 ADV/EXP: netkit <=0.17 in.telnetd remote buffer overflowhttp://online.securityfocus.com/archive/1/203000mailing-listx_refsource_BUGTRAQ
www.securityfocus.com3064http://www.securityfocus.com/bid/3064vdb-entryx_refsource_BID
www.redhat.comRHSA-2001:100http://www.redhat.com/support/errata/RHSA-2001-100.htmlvendor-advisoryx_refsource_REDHAT
www.novell.comSuSE-SA:2001:029http://www.novell.com/linux/security/advisories/2001_029_nkitb_txt.htmlvendor-advisoryx_refsource_SUSE
stage.caldera.comCSSA-2001-SCO.10ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txtvendor-advisoryx_refsource_CALDERA
www.redhat.comRHSA-2001:099http://www.redhat.com/support/errata/RHSA-2001-099.htmlvendor-advisoryx_refsource_REDHAT
www.cisco.com20020129 Cisco CatOS Telnet Buffer Vulnerabilityhttp://www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtmlvendor-advisoryx_refsource_CISCO
archives.neohapsis.comHPSBUX0110-172http://archives.neohapsis.com/archives/hp/2001-q4/0014.htmlvendor-advisoryx_refsource_HP
www.debian.orgDSA-075http://www.debian.org/security/2001/dsa-075vendor-advisoryx_refsource_DEBIAN
www.securityfocus.com20010718 multiple vendor telnet daemon vulnerabilityhttp://www.securityfocus.com/archive/1/197804mailing-listx_refsource_BUGTRAQ
www.cert.orgCA-2001-21http://www.cert.org/advisories/CA-2001-21.htmlthird-party-advisoryx_refsource_CERT
ftp.freebsd.orgFreeBSD-SA-01:49ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.ascvendor-advisoryx_refsource_FREEBSD
www.calderasystems.comCSSA-2001-030.0http://www.calderasystems.com/support/security/advisories/CSSA-2001-030.0.txtvendor-advisoryx_refsource_CALDERA
www.debian.orgDSA-070http://www.debian.org/security/2001/dsa-070vendor-advisoryx_refsource_DEBIAN
online.securityfocus.com20010725 SCO - Telnetd AYT overflow ?http://online.securityfocus.com/archive/1/199541mailing-listx_refsource_BUGTRAQ
patches.sgi.com20010801-01-Pftp://patches.sgi.com/support/free/security/advisories/20010801-01-Pvendor-advisoryx_refsource_SGI
ftp.netbsd.orgNetBSD-SA2001-012ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.ascvendor-advisoryx_refsource_NETBSD