CVE-2018-1002201: zt-zip before 1.13 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a

Q: How do I fix CVE-2018-1002201?

zt-zip: upgrade to 1.13. Exact commands for each OS are on this page.

Q: Is CVE-2018-1002201 being exploited?

CVE-2018-1002201 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-1002201 affect?

CVE-2018-1002201 affects zt-zip. Severity is medium (CVSS 5.5). zt-zip before 1.13 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'.

Q: How urgent is CVE-2018-1002201?

Priority 48/100. EPSS top 4%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.5UPGRADE

CVE-2018-1002201 is a medium-severity flaw (CVSS 5.5) affecting zt-zip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

zt-zip before 1.13 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'.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	10.4% (top 4%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-07-25
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: jrebel

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-07-25 17:29 UTCPublished CVE record published
2026-06-17 01:33 UTCUpdated Record last modified

jrebel zt-zip UPGRADE

Affected: < 1.13

Fixed in: 1.13

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy zt-zip || rpm -q zt-zip || zt-zip --version

2. UPGRADE to 1.13 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zt-zip

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zt-zip

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-1002201?

zt-zip: upgrade to 1.13. Exact commands for each OS are on this page.

Is CVE-2018-1002201 being exploited?

CVE-2018-1002201 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-1002201 affect?

CVE-2018-1002201 affects zt-zip. Severity is medium (CVSS 5.5). zt-zip before 1.13 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'.

How urgent is CVE-2018-1002201?

Priority 48/100. EPSS top 4%: very likely to be exploited; Public exploit reference

References

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