CVE-2021-34548

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003. An attacker can forge RELAY_END or RELAY_RESOLVED to bypass the intended access control for ending a stream.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-290

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/163510/Tor-Half-Closed-Connection-Stream-Confusion.htmlThird Party Advisory, VDB Entry
https://blog.torproject.org/node/2041Release Notes, Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/issues/40389Broken Link
https://security.gentoo.org/glsa/202107-25Third Party Advisory
http://packetstormsecurity.com/files/163510/Tor-Half-Closed-Connection-Stream-Confusion.htmlThird Party Advisory, VDB Entry
https://blog.torproject.org/node/2041Release Notes, Vendor Advisory
https://gitlab.torproject.org/tpo/core/tor/-/issues/40389Broken Link
https://security.gentoo.org/glsa/202107-25Third Party Advisory

Timeline

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

Related CVEs from 2021

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