CVE-2019-10071

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to determine the correct signature for their payload. The comparison should be done with a constant time algorithm instead.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-203

Affected software

No affected versions have been published.

Timeline

Published: Sep 16, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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