What’s Vulnerable › Vulnerabilities

CVE-2020-7664: Arbitrary File Write via Archive Extraction (Zip Slip)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-23 · updated 2026-06-17
• Weakness: CWE-22

Description

In all versions of the package github.com/unknwon/cae/zip, the ExtractTo function doesn't securely escape file paths in zip archives which include leading or non-leading "..". This allows an attacker to add or replace files system-wide.

Affected products

• Compression And Archive Extensions Project Compression And Archive Extensions Zip Project: all versions

References

• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUNKNWONCAEZIP-570383
• https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUNKNWONCAEZIP-570383

Get alerted when CVE-2020-7664 or the next vulnerability affects your stack