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CVE-2017-15531: Symantec Reporter: Improper Authentication

CVE-2017-15531 is rated critical with a CVSS v3.0 base score of 9.8 and affects Symantec Reporter. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Symantec Reporter 9.5 prior to 9.5.4.1 and 10.1 prior to 10.1.5.5 does not restrict excessive authentication attempts for management interface users. A remote attacker can use brute force search to guess a user password and gain access to Reporter.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-287: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected products

  • Symantec Reporter: from 9.5 before 9.5.4.1; 10.1

References