VULNERABILITY INTELLIGENCE

CVE-2011-2768

CVSS score5.8 MEDIUM
EPSS probability0.72%
CISA KEVNot currently listed
Published2011-12-23
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:N

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.

Primary references