Symantec Critical System Protection CVE-2019-18374 Unspecified Authentication Bypass Vulnerability



Date Discovered

November 25, 2019


Symantec Critical System Protection is prone to an unspecified authentication-bypass vulnerability. An attacker can exploit this issue to bypass the authentication mechanism and perform unauthorized actions. This may lead to further attacks. Symantec Critical System Protection (CSP) versions 8.0, 8.0 HF1 and 8.0 MP1 are vulnerable.

Technologies Affected

  • Symantec Critical System Protection 8.0
  • Symantec Critical System Protection 8.0 HF1
  • Symantec Critical System Protection 8.0 mp1


Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn't needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.

Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to detect and block attacks and anomalous activity such as requests containing suspicious URI sequences. Since the webserver may log such requests, review logs regularly.

Updates are available. Please see the references or vendor advisory for more information.



Kai Greshake KORAMIS GmbH.

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