CVE-2025-0825CWE-113

CRLF injection in Cpp-httplib

Medium · published February 4, 2025

CVSS v4.0
6.9
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

cpp-httplib version v0.17.3 through v0.18.3 fails to filter CRLF characters ("\r\n") when those are prefixed with a null byte. This enables attackers to exploit CRLF injection that could further lead to HTTP Response Splitting, XSS, and more.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00409 · 34.0th percentile
Weakness
CWE-113 · Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Published
2025-02-04T14:11Z
EPSS history
Timeline
  • 04 FEB 14:11Z
    CRLF injection in Cpp-httplib
    cvelistv5