CVE-2021-41732
HIGHCVSS 7.5/10EPSS 0.85%
Last modified
CVE-2021-41732 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zeek | Zeek | 4.1.0 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-41732?
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
How severe is CVE-2021-41732?
CVE-2021-41732 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2021-41732?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-41732?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST