CVE-2021-29416
MEDIUM
6.5
CVSS Score
Published: March 29, 2021 at 05:51 PM UTC
Updated: June 17, 2026 at 03:47 AM UTC
1 product affected across 1 vendorBurp Suite
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2021.2
Affected range stops below 2021.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1054382x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://portswigger.net/burp/releases/professional-community-2020-12?requestededition=professionalCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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