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CVE-2019-10071

The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the…

Critical9.8EPSS 8.8%
Published
Updated
Reserved
Assigned by
apache

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.

Scores

CVSS scores of CVE-2019-10071, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
8.8% · top 4.8% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (5)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .