VulnerabilityModified
CVE-2021-41732
There is a HTTP request splitting vulnerability that will invalidate any ZEEK HTTP based security analysis.
HIGH 7.5EPSS 0.88%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.88% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-444
- Affected
- zeek/zeek
- Source
- cve@mitre.org
References
- https://github.com/zeek/zeek/issues/1798Exploit, Issue Tracking, Third Party Advisory
- https://github.com/zeek/zeek/issues/1798Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.