HIGH
security flaw
Published Mar 9, 2002
10.0
HIGHCVSS 2.0
EPSS 38.75%
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.
Affected products
No data.
Configuration 1
OR
- 1.0
- 1.1
- 1.1.1
- 1.2
- 1.2.1
- 1.2.2
- 0.10
- 0.11
- 0.12
- 6.5
Configuration 2
OR
- 2.0
- 2.0.1
- 2.0.5
- 2.1
- 2.1.0
- 2.1.5
- 2.1.6
- 2.1.6.1
- 2.1.7
- 2.1.7.1
- 2.2
- 2.2
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 3.0
- 3.0
- 3.1
- 3.2
- 3.3
- 3.4
- 3.5
- 3.5
- 3.5.1
- 3.5.1
- 3.5.1
- 4.0
- 4.0
- 4.0
- 4.1
- 4.1.1
- 4.2
- 4.3
- 4.3
- 4.3.1
- 4.3.2
- 4.3.3
- 5.1
- 1.0
- 1.1
- 1.2
- 1.2.1
- 1.3
- 1.3.1
- 1.3.2
- 1.3.3
- 1.4
- 1.4.1
- 1.4.2
- 1.4.3
- 1.5
- 1.5.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.6
- 5.0
- 5.1
- 5.2
- 5.3
- 5.4
- 5.5
- 5.5.1
- 5.7
- 5.8
Configuration 3
- 2.2
No data.
Red Hat Linux 5.2
n/a
Fixed · RHSA-2001:099
Red Hat Linux 6.2
n/a
Fixed · RHSA-2001:099
Red Hat Linux 6.2
n/a
Fixed · RHSA-2001:100
Red Hat Linux 7.0
n/a
Fixed · RHSA-2001:100
Red Hat Linux 7.0
n/a
Fixed · RHSA-2001:099
Red Hat Linux 7.1
n/a
Fixed · RHSA-2001:100
Red Hat Linux 7.1
n/a
Fixed · RHSA-2001:099
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Linux 5.2 | n/a | Fixed | RHSA-2001:099 |
| Red Hat Linux 6.2 | n/a | Fixed | RHSA-2001:099 |
| Red Hat Linux 6.2 | n/a | Fixed | RHSA-2001:100 |
| Red Hat Linux 7.0 | n/a | Fixed | RHSA-2001:100 |
| Red Hat Linux 7.0 | n/a | Fixed | RHSA-2001:099 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2001:100 |
| Red Hat Linux 7.1 | n/a | Fixed | RHSA-2001:099 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
38.75% 0.38748
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.38748
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 38.75% (0.38748) | 98.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 37.90% (0.37896) | 98.35th | v5 (v2026.06.15) |
| Aug 27, 2025 | 16.67% (0.16672) | 94.66th | v4 (v2025.03.14) |
| Mar 30, 2025 | 27.44% (0.27436) | 95.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 46.25% (0.46246) | 96.53th | v4 (v2025.03.14) |
| Mar 19, 2025 | 27.44% (0.27436) | 95.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 23.12% (0.23119) | 95.47th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.01% (0.06011) | 93.41th | v3 (v2023.03.01) |
| May 3, 2024 | 0.92% (0.00924) | 82.84th | v3 (v2023.03.01) |
| Jul 18, 2023 | 0.92% (0.00924) | 80.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.67% (0.00673) | 76.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
Weaknesses (1)
References (29)
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.asc vendor-advisoryx_refsource_FREEBSDBroken LinkPatchVendor Advisory
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.asc vendor-advisoryx_refsource_NETBSDBroken Link
- ftp://patches.sgi.com/support/free/security/advisories/20010801-01-P vendor-advisoryx_refsource_SGIBroken Link
- ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txt vendor-advisoryx_refsource_CALDERABroken Link
- http://archives.neohapsis.com/archives/hp/2001-q4/0014.html vendor-advisoryx_refsource_HPBroken Link
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000413 vendor-advisoryx_refsource_CONECTIVABroken Link
- http://ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtml vendor-advisoryx_refsource_COMPAQBroken Link
- http://online.securityfocus.com/advisories/3476 vendor-advisoryx_refsource_IBMBroken LinkThird Party AdvisoryVDB Entry
- http://online.securityfocus.com/archive/1/199496 mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- http://online.securityfocus.com/archive/1/199541 mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- http://online.securityfocus.com/archive/1/203000 mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
- http://www.calderasystems.com/support/security/advisories/CSSA-2001-030.0.txt vendor-advisoryx_refsource_CALDERABroken Link
- http://www.cert.org/advisories/CA-2001-21.html third-party-advisoryx_refsource_CERTPatchThird Party AdvisoryUS Government Resource
- http://www.ciac.org/ciac/bulletins/l-131.shtml third-party-advisorygovernment-resourcex_refsource_CIACBroken Link
- http://www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtml vendor-advisoryx_refsource_CISCOThird Party Advisory
- http://www.debian.org/security/2001/dsa-070 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.debian.org/security/2001/dsa-075 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3 vendor-advisoryx_refsource_MANDRAKEBroken Link
- http://www.novell.com/linux/security/advisories/2001_029_nkitb_txt.html vendor-advisoryx_refsource_SUSEBroken Link
- http://www.osvdb.org/809 vdb-entryx_refsource_OSVDBBroken Link
- http://www.redhat.com/support/errata/RHSA-2001-099.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2001-100.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/archive/1/197804 mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB EntryVendor Advisory
- http://www.securityfocus.com/bid/3064 vdb-entryx_refsource_BIDExploitPatchThird Party AdvisoryVDB EntryVendor Advisory
- https://access.redhat.com/security/cve/CVE-2001-0554 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1616596 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6875 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2001-0554
- https://www.cve.org/CVERecord?id=CVE-2001-0554
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 9, 2002
Updated Aug 8, 2024
Reserved Jul 24, 2001
Link CVE-2001-0554
CISA Vulnrichment
Updated n/a