CVE-2011-2768

CVE-2011-2768 describes a vulnerability in Tor versions prior to 0.2.2.34, affecting clients and bridges. It allowed remote Tor relays to compromise user anonymity by reading the TLS certificate chain sent during outgoing OR connections, thereby identifying the client's or bridge's selected entry guards. With a CVSS score of 5.8, this medium-severity vulnerability has a network attack vector and medium attack complexity, potentially leading to partial confidentiality and integrity compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.