Path traversal in github.com/yi-ge/unzip
Priority HIGH 72CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Due to improper path sanitization, archives containing relative file paths can cause files to be written (or overwritten) outside of the target directory.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01414 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/yi-ge/unzip (github.com/yi-ge/unzip): 1.0.3-0.20200308084313-2adbaa4891b9github.com/yi-ge/unzip (Go): 1.0.3-0.20200308084313-2adbaa4891b9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| github.com/yi-ge/unzip | github.com/yi-ge/unzip | before 1.0.3-0.20200308084313-2adbaa4891b9 | 1.0.3-0.20200308084313-2adbaa4891b9 | Patch available | CNA |
| — | github.com/yi-ge/unzip (Go) | before 1.0.3-0.20200308084313-2adbaa4891b9 | 1.0.3-0.20200308084313-2adbaa4891b9 | Patch available | GHSA-f5c5-hmw9-v8hx |
- github.com/yi-ge/unzip Vendorgithub.com/yi-ge/unzip Affected before 1.0.3-0.20200308084313-2adbaa4891b9 Fixed in 1.0.3-0.20200308084313-2adbaa4891b9 Patch available CNA
- github.com/yi-ge/unzip (Go) Vendor— Affected before 1.0.3-0.20200308084313-2adbaa4891b9 Fixed in 1.0.3-0.20200308084313-2adbaa4891b9 Patch available GHSA-f5c5-hmw9-v8hx
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unzip_project:unzip:*:*:*:*:*:go:*:* | before 1.0.3-0.20200308084313-2adbaa4891b9 | Vulnerable | Unzip Project |
- cpe:2.3:a:unzip_project:unzip:*:*:*:*:*:go:*:* Versions before 1.0.3-0.20200308084313-2adbaa4891b9 Vulnerable ·Unzip Project
Remediation
- Fix · CNA github.com/yi-ge/unzip (github.com/yi-ge/unzip) Fixed in 1.0.3-0.20200308084313-2adbaa4891b9
- Fix · GHSA-f5c5-hmw9-v8hx github.com/yi-ge/unzip (Go) Fixed in 1.0.3-0.20200308084313-2adbaa4891b9 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36561
- 2026-10-03 Alias added: GHSA-f5c5-hmw9-v8hx
References
More Unzip Project Unzip vulnerabilities
- TI-2018-15695 A heap-based buffer overflow exists in Info-Zip UnZip version <= 6.00 in the processing… CVSS 3.0HIGH 7.8
- TI-2008-00852 Memory corruption in Info-ZIP unzip CVSS 2.0HIGH 9.3
- TI-2014-06756 Out-of-bounds write in Info-ZIP UnZip CVSS 3.1HIGH 7.8
- TI-2014-06755 Out-of-bounds write in Info-ZIP UnZip CVSS 3.1HIGH 7.8
- TI-2014-06754 Out-of-bounds write in Info-ZIP UnZip CVSS 3.1HIGH 7.8
- TI-2015-06393 Info-ZIP UnZip 6.0 allows remote attackers to cause a denial of service (heap-based… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2020-36561 · CVE Program
- CVE-2020-36561 · NVD
- FIRST EPSS
- GHSA-f5c5-hmw9-v8hx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences