CVE-2011-2768

MediumCVSS 5.8/10Last modified Jun 16, 2026

Description

Tor before 0.2.2.34, when configured as a client or bridge, sends a TLS certificate chain as part of an outgoing OR connection, which allows remote relays to bypass intended anonymity properties by reading this chain and then determining the set of entry guards that the client or bridge had selected.

Metrics

CVSS 2.0 5.8/10AV:N/AC:M/Au:N/C:P/I:P/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 23, 2011
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

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CVE-2011-2768: Medium severity, CVSS 5.8 | Vulnix