CVE-2021-29416
Last modified
CVE-2021-29416 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in PortSwigger Burp Suite before 2021.2. During viewing of a malicious request, it can be manipulated into issuing a request that does not respect its upstream proxy configuration. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
Description
An issue was discovered in PortSwigger Burp Suite before 2021.2. During viewing of a malicious request, it can be manipulated into issuing a request that does not respect its upstream proxy configuration. This could leak NetNTLM hashes on Windows systems that fail to block outbound SMB.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Portswigger | Burp Suite | < 2021.2 |
References
- https://hackerone.com/reports/1054382Exploit, Issue Tracking, Third Party Advisory
- https://portswigger.net/burp/releases/professional-community-2020-12?requestededition=professionalRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1054382Exploit, Issue Tracking, Third Party Advisory
- https://portswigger.net/burp/releases/professional-community-2020-12?requestededition=professionalRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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