Vulnerability · Published Jan 10, 2023 · Assigned by mitre
CVE-2023-22899
Medium 5.9
In plain English
A medium-severity security flaw in the zip4j package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.6%top 49.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | zip4j | 2.11.2-3 | DEBIAN-CVE-2023-22899 |
| Debian:13 | zip4j | 2.11.2-3 | DEBIAN-CVE-2023-22899 |
| Debian:14 | zip4j | 2.11.2-3 | DEBIAN-CVE-2023-22899 |
| Maven | net.lingala.zip4j:zip4j | 2.11.3 | GHSA-2pj2-gchf-wmw7 |
| Ubuntu:22.04:LTS | zip4j | no fix listed | UBUNTU-CVE-2023-22899 |
| Ubuntu:24.04:LTS | zip4j | no fix listed | UBUNTU-CVE-2023-22899 |
| Ubuntu:25.10 | zip4j | no fix listed | UBUNTU-CVE-2023-22899 |
| Ubuntu:26.04:LTS | zip4j | no fix listed | UBUNTU-CVE-2023-22899 |
| Ubuntu:26.10 | zip4j | no fix listed | UBUNTU-CVE-2023-22899 |
Affected products (as reported)
Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N