CVE-2020-7668

Arbitrary File Write via Archive Extraction (Zip Slip)

HIGH

7.5

CVSS Score

Published: June 17, 2020 at 04:00 PM UTC

Updated: June 17, 2026 at 03:25 AM UTC

1 product affected across 1 vendorCompression and Archive Extensions Tz Project

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

In all versions of the package github.com/unknwon/cae/tz, 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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Compression and Archive Extensions Tz Project · Compression and Archive Extensions Tz Projectgo

95%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUNKNWONCAETZ-570384

CVSS

7.5HIGHsnyk

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-22

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