CVE-2002-0423 — Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup

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HIGH

Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup

Published Apr 2, 2003

10.0

HIGH

CVSS 2.0

EPSS 5.33%

Description

Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup.

Affected products

Remediation

No remediation recorded yet.

Metrics

5.33% 0.05332

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.05332

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 (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	5.33% (0.05332)	92.36th	v5 (v2026.06.15)
Jun 15, 2026	5.33% (0.05332)	91.54th	v5 (v2026.06.15)
Mar 17, 2025	4.05% (0.04050)	87.76th	v4 (v2025.03.14)
Dec 12, 2024	3.66% (0.03656)	92.07th	v3 (v2023.03.01)
Apr 17, 2023	3.66% (0.03656)	90.30th	v3 (v2023.03.01)
Mar 7, 2023	2.25% (0.02249)	87.79th	v3 (v2023.03.01)
Mar 6, 2023	4.29% (0.04291)	87.64th	v2 (v2022.01.01)
Apr 1, 2022	4.29% (0.04291)	86.39th	v2 (v2022.01.01)
Feb 4, 2022	4.29% (0.04291)	70.14th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://archives.neohapsis.com/archives/bugtraq/2002-03/0050.html
mailing-listx_refsource_BUGTRAQ
http://melkor.dnp.fmph.uniba.sk/~garabik/efingerd/efingerd_1.5.tar.gz
x_refsource_CONFIRM
http://www.iss.net/security_center/static/8380.php
vdb-entryx_refsource_XFPatchVendor Advisory
http://www.securityfocus.com/bid/4239
vdb-entryx_refsource_BIDVendor Advisory

Link	Providers	Tags
http://archives.neohapsis.com/archives/bugtraq/2002-03/0050.html		mailing-listx_refsource_BUGTRAQ
http://melkor.dnp.fmph.uniba.sk/~garabik/efingerd/efingerd_1.5.tar.gz		x_refsource_CONFIRM
http://www.iss.net/security_center/static/8380.php		vdb-entryx_refsource_XFPatchVendor Advisory
http://www.securityfocus.com/bid/4239		vdb-entryx_refsource_BIDVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 2, 2003

Updated Aug 8, 2024

Reserved Jun 7, 2002

Link CVE-2002-0423

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0423

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0423