CVEvulnerability

CVE-2017-12373

5.9 MEDIUM Published 2017-12-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-12-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200, CWE-203

Description

A vulnerability in the TLS protocol implementation of legacy Cisco ASA 5500 Series (ASA 5505, 5510, 5520, 5540, and 5550) devices could allow an unauthenticated, remote attacker to access sensitive information, aka a Return of Bleichenbacher's Oracle Threat (ROBOT) attack. An attacker could iteratively query a server running a vulnerable TLS stack implementation to perform cryptanalytic operations that may allow decryption of previously captured TLS sessions. Cisco Bug IDs: CSCvg97652.

Affected configurations

• cisco adaptive security appliance 5505 firmware • cisco adaptive security appliance 5510 firmware • cisco adaptive security appliance 5520 firmware • cisco adaptive security appliance 5540 firmware • cisco adaptive security appliance 5550 firmware

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-203 Observable Discrepancy weakness

References