CVE-2002-0835

Exp

Preboot eXecution Environment (PXE) server allows remote attackers to cause a denial of service (crash) via certain DHCP packets from Voice-Over-IP (VOIP) phones.

Published: 2002-10-04 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0835 is rated High Exploit Risk (65.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.84%). 1 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-2002-0835

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

Exploit prediction scoring system (EPSS) score for CVE-2002-0835

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 2.40% 2.84% +0.44%
2 2025-03-29 2.84% 2.40% -0.44%
3 2025-03-17 — 2.84% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0835

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-0835

OS Trackers for CVE-2002-0835

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2002-0835

Affected software / configurations for CVE-2002-0835

Vendor Product Version Raw CPE
caldera openlinux_server 3.1 cpe:2.3:a:caldera:openlinux_server:3.1:*:*:*:*:*:*:*
caldera openlinux_server 3.1.1 cpe:2.3:a:caldera:openlinux_server:3.1.1:*:*:*:*:*:*:*
caldera openlinux_workstation 3.1 cpe:2.3:a:caldera:openlinux_workstation:3.1:*:*:*:*:*:*:*
caldera openlinux_workstation 3.1.1 cpe:2.3:a:caldera:openlinux_workstation:3.1.1:*:*:*:*:*:*:*
redhat pre-execution_environment 0.1 cpe:2.3:a:redhat:pre-execution_environment:0.1:*:*:*:*:*:*:*
hp secure_os 1.0 cpe:2.3:o:hp:secure_os:1.0:*:linux:*:*:*:*:*

References for CVE-2002-0835

cvelogic Threat Intelligence