SSL 2.0
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Warning! This technology is obsolete!

Last Updated Fri, 3 May 2019 19:37:01 -0400

Overview:

SSL 2.0 was officially the first SSL version available (SSLv1 never got released). It was released in February 1995. A lot of weaknesses in the protocol led to the development of SSLv3.0. A lot of modern systems do not support SSL2.0 so supporting it for whatever reason would be a major security concern and is simply not recommended.

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More Useful Information:

Attacks:

  • DROWN Vulnerability : DROWN (Decrypting RSA using Obsolete and Weakened eNcryption) allows attackers to break the encryption and read or steal sensitive communications, including passwords, credit card numbers, trade secrets, or financial data.
  • Ciphersuite RollBack Attack : An attacker is able to modify the SSL Handshake to force the connection to use weaker cipher suites than what the client has proposed. SSLv2 has a lot of weak encryption ciphers available. It is not uncommon to find weak encryption settings enabled on a server. One such weak encryption algorithm is named DES.