CVE-2021-29416

MediumCVSS 6.5/10Last modified Jun 17, 2026

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 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected software

No affected versions have been published.

Timeline

Published
Mar 29, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-294179.8gitjacker before 0.1.0 allows remote attackers to execute arbitrary code via a crafted .git directory because of directory traversal.CVE-2021-294185.3The netmask package before 2.0.1 for Node.js mishandles certain unexpected characters in an IP address string, such as an octal digit of 9. CVE-2021-294217.5models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.CVE-2021-294247.5The Net::Netmask module before 2.0000 for Perl does not properly consider extraneous zero characters at the beginning of an IP address strinCVE-2021-294254.8In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\\..\fCVE-2021-294277.2In Gradle from version 5.1 and before version 7.0 there is a vulnerability which can lead to information disclosure and/or dependency poisonCVE-2021-294287.8In Gradle before version 7.0, on Unix-like systems, the system temporary directory can be created with open permissions that allow multiple CVE-2021-294295.5In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access informatCVE-2021-294307.5Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user couCVE-2021-294316.5Sydent is a reference Matrix identity server. Sydent can be induced to send HTTP GET requests to internal systems, due to lack of parameter CVE-2021-294325.7Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email addressCVE-2021-294334.3Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoin
CVE-2021-29416: Medium severity, CVSS 6.5 | Vulnix