CVE-2018-1002202
Improper Limitation of a Pathname to a Restricted Directory in Zip4j
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
CVE-2018-1002202- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
CVE-2018-1002202- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2022-2044 No score
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
EUVD-2022-2044- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2rpm-4x8c-pvqg
Improper Limitation of a Pathname to a Restricted Directory in Zip4j
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
GHSA-2rpm-4x8c-pvqg- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-2rpm-4x8c-pvqg
Improper Limitation of a Pathname to a Restricted Directory in Zip4j
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
- Record
GHSA-2rpm-4x8c-pvqg- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
net.lingala.zip4j:zip4jMaven |
before 1.3.3 | 1.3.3 |
net.lingala.zip4j:zip4jMaven |
before 1.3.3, plus listed versions 1.2.31.2.41.2.51.2.61.2.7 Show 4 moreShow less1.2.81.2.91.3.11.3.2 |
1.3.3 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | iris-sast/zip4j | 2025-06-30 |
| PoC in GitHub | shoucheng3/srikanth-lingala__zip4j_CVE-2018-1002202_1-3-2 | 2025-08-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1002202 is a medium vulnerability (CVSS 6.5) in Zip4j, published July 25, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.6%, the 96th percentile. Fixed in net.lingala.zip4j:zip4j 1.3.3.