CVE-2002-1604

Exp

Multiple buffer overflows in HP Tru64 UNIX allow local and possibly remote attackers to execute arbitrary code via a long NLSPATH environment variable to (1) csh, (2) dtsession, (3) dxsysinfo, (4) imapd, (5) inc, (6) uucp, (7) uux, (8) rdist, or (9) deliver.

Published: 2002-09-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1604 is rated High Exploit Risk (84.2/100): CVSS High severity, with high exploitation likelihood (EPSS 53.09%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +7.07% over the last day, indicating growing attacker interest. 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-2002-1604

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-1604

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 2025-12-27 46.02% 53.09% +7.07%
2 2025-04-16 35.50% 46.02% +10.52%
3 2025-03-30 — 35.50% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1604

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2002-1604

Affected software / configurations for CVE-2002-1604

Vendor Product Version Raw CPE
hp hp-ux 10.20 cpe:2.3:o:hp:hp-ux:10.20:*:*:*:*:*:*:*
hp hp-ux 11.00 cpe:2.3:o:hp:hp-ux:11.00:*:*:*:*:*:*:*
hp hp-ux 11.04 cpe:2.3:o:hp:hp-ux:11.04:*:*:*:*:*:*:*
hp hp-ux 11.11 cpe:2.3:o:hp:hp-ux:11.11:*:*:*:*:*:*:*
hp hp-ux 11.22 cpe:2.3:o:hp:hp-ux:11.22:*:*:*:*:*:*:*
hp tru64 4.0f cpe:2.3:o:hp:tru64:4.0f:*:*:*:*:*:*:*
hp tru64 4.0g cpe:2.3:o:hp:tru64:4.0g:*:*:*:*:*:*:*
hp tru64 5.0a cpe:2.3:o:hp:tru64:5.0a:*:*:*:*:*:*:*
hp tru64 5.1 cpe:2.3:o:hp:tru64:5.1:*:*:*:*:*:*:*
hp tru64 5.1a cpe:2.3:o:hp:tru64:5.1a:*:*:*:*:*:*:*

References for CVE-2002-1604

URL Tags
http://archives.neohapsis.com/archives/fulldisclosure/2002-q3/1203.html
http://wwss1pro.compaq.com/support/reference_library/viewdocument.asp?source=SRB0039W.xml&dt=11
http://www.blacksheepnetworks.com/security/hack/tru64/TRU64_nlspath.txt Exploit
http://www.kb.cert.org/vuls/id/158499 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/416427 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/437899 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/448987 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/531355 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/567963 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/584243 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/592515 Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/846307 Third Party Advisory US Government Resource
http://www.securityfocus.com/archive/1/290115
http://www.securityfocus.com/bid/5647
https://exchange.xforce.ibmcloud.com/vulnerabilities/10016
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