SEPTEMBER 21, 2026
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Case File

CVE-2003-0899

CRITICAL · CVSS 9.8 EPSS 21.68%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2003-11-03 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Its EPSS score suggests a 21.7% probability of exploitation in the next 30 days. It may be remotely exploitable.

CVE
CVE-2003-0899
Severity
CRITICAL
CVSS
9.8
EPSS
21.68%

Original NVD Description

Buffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '<' or '>' characters, which trigger the overflow when the characters are expanded to "&lt;" and "&gt;" sequences.