CVE-2002-0004

Exp

Heap corruption vulnerability in the "at" program allows local users to execute arbitrary code via a malformed execution time, which causes at to free the same memory twice.

Published: 2002-02-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0004 is rated High Exploit Risk (60.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.27%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2002-0004

EDB-ID Source Kind Published Link
21229 exploit_db edb 2002-01-16 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-0004

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.21% 0.27% +0.06%
2 2025-03-29 0.27% 0.21% -0.06%
3 2025-03-17 — 0.27% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0004

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2002-0004

OS Trackers for CVE-2002-0004

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2002-0004

Vendor comments (NVD) for CVE-2002-0004

  • Red Hat (2007-03-14T00:00:00)

    Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

Affected software / configurations for CVE-2002-0004

Vendor Product Version Raw CPE
caldera openlinux_server 3.1 cpe:2.3:a:caldera:openlinux_server:3.1:*:*:*:*:*:*:*
caldera openlinux_workstation 3.1 cpe:2.3:a:caldera:openlinux_workstation:3.1:*:*:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:68k:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:alpha:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:arm:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:ia-32:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:powerpc:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:sparc:*:*:*:*:*
freebsd freebsd 4.1.1 cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*
freebsd freebsd 4.2 cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
freebsd freebsd 4.3 cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
freebsd freebsd 4.4 cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*
mandrakesoft mandrake_linux 8.0 cpe:2.3:o:mandrakesoft:mandrake_linux:8.0:*:*:*:*:*:*:*
mandrakesoft mandrake_linux 8.0 cpe:2.3:o:mandrakesoft:mandrake_linux:8.0:*:ppc:*:*:*:*:*
mandrakesoft mandrake_linux 8.1 cpe:2.3:o:mandrakesoft:mandrake_linux:8.1:*:*:*:*:*:*:*
mandrakesoft mandrake_linux 8.1 cpe:2.3:o:mandrakesoft:mandrake_linux:8.1:*:ia64:*:*:*:*:*
netbsd netbsd 1.5.2 cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:*
redhat linux 6.2 cpe:2.3:o:redhat:linux:6.2:*:alpha:*:*:*:*:*
redhat linux 6.2 cpe:2.3:o:redhat:linux:6.2:*:i386:*:*:*:*:*
redhat linux 6.2 cpe:2.3:o:redhat:linux:6.2:*:sparc:*:*:*:*:*
redhat linux 7.0 cpe:2.3:o:redhat:linux:7.0:*:alpha:*:*:*:*:*
redhat linux 7.0 cpe:2.3:o:redhat:linux:7.0:*:i386:*:*:*:*:*
redhat linux 7.1 cpe:2.3:o:redhat:linux:7.1:*:alpha:*:*:*:*:*
redhat linux 7.1 cpe:2.3:o:redhat:linux:7.1:*:i386:*:*:*:*:*
redhat linux 7.1 cpe:2.3:o:redhat:linux:7.1:*:ia64:*:*:*:*:*
redhat linux 7.2 cpe:2.3:o:redhat:linux:7.2:*:alpha:*:*:*:*:*
redhat linux 7.2 cpe:2.3:o:redhat:linux:7.2:*:i386:*:*:*:*:*
redhat linux 7.2 cpe:2.3:o:redhat:linux:7.2:*:ia64:*:*:*:*:*
slackware slackware_linux 7.0 cpe:2.3:o:slackware:slackware_linux:7.0:*:*:*:*:*:*:*
slackware slackware_linux 7.1 cpe:2.3:o:slackware:slackware_linux:7.1:*:*:*:*:*:*:*
slackware slackware_linux 8.0 cpe:2.3:o:slackware:slackware_linux:8.0:*:*:*:*:*:*:*
suse suse_linux 6.4 cpe:2.3:o:suse:suse_linux:6.4:*:i386:*:*:*:*:*
suse suse_linux 6.4 cpe:2.3:o:suse:suse_linux:6.4:*:ppc:*:*:*:*:*
suse suse_linux 6.4 cpe:2.3:o:suse:suse_linux:6.4:alpha:*:*:*:*:*:*
suse suse_linux 7.0 cpe:2.3:o:suse:suse_linux:7.0:*:i386:*:*:*:*:*
suse suse_linux 7.0 cpe:2.3:o:suse:suse_linux:7.0:*:ppc:*:*:*:*:*
suse suse_linux 7.0 cpe:2.3:o:suse:suse_linux:7.0:*:sparc:*:*:*:*:*
suse suse_linux 7.0 cpe:2.3:o:suse:suse_linux:7.0:alpha:*:*:*:*:*:*
suse suse_linux 7.1 cpe:2.3:o:suse:suse_linux:7.1:*:ppc:*:*:*:*:*
suse suse_linux 7.1 cpe:2.3:o:suse:suse_linux:7.1:*:sparc:*:*:*:*:*
suse suse_linux 7.1 cpe:2.3:o:suse:suse_linux:7.1:*:x86:*:*:*:*:*
suse suse_linux 7.1 cpe:2.3:o:suse:suse_linux:7.1:alpha:*:*:*:*:*:*
suse suse_linux 7.2 cpe:2.3:o:suse:suse_linux:7.2:*:i386:*:*:*:*:*
suse suse_linux 7.3 cpe:2.3:o:suse:suse_linux:7.3:*:i386:*:*:*:*:*
suse suse_linux 7.3 cpe:2.3:o:suse:suse_linux:7.3:*:ppc:*:*:*:*:*
suse suse_linux 7.3 cpe:2.3:o:suse:suse_linux:7.3:*:sparc:*:*:*:*:*

References for CVE-2002-0004

cvelogic Threat Intelligence