Vulnerability · Published Sep 29, 2021 · Assigned by mitre

CVE-2021-41732

High 8.2

In plain English

A high-severity security flaw in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.9%top 40.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

An issue was discovered in zeek version 4.1.0. There is a HTTP request splitting vulnerability that will invalidate any ZEEK HTTP based security analysis. NOTE: the vendor's position is that the observed behavior is intended

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-444 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

References

https://github.com/zeek/zeek/issues/1798 x_refsource_MISC