CVE-2023-22899

PoC ×2—

CVSS 3.1

5.9 medium

EPSS

<1%p48

Published

Jan 10, 2023 (Jan 10, 2023)

Modified

Jun 17, 2026

Description

Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.

Vendors: zip4j project
Products: zip4j
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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