MEDIUM

CVE-2018-1002208

Q: What is CVE-2018-1002208?

SharpZipLib before 1.0 RC1 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: Is CVE-2018-1002208 actively exploited?

Active exploitation of CVE-2018-1002208 has not been confirmed. Its EPSS score was 9.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-1002208?

CVE-2018-1002208 has a CVSS v3 base score of 5.5 (MEDIUM severity).

CVSS v3

5.5

MEDIUM

EPSS Score

9.9 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

SharpZipLibNuGetall versions · fixed in 1.0.0-rc1

Vendor advisories

ICSA-26-125-01 CISA9 known affected
Hitachi Energy PCM600
PCM600 Legacy Version 2.11 and earlier · PCM600 3.0 · PCM600 3.0 HF1
ICSA-26-120-02 CISA1 product fixed · 1 known affected
ABB PCM600
ABB Protection and Control IED manager PCM600 >=1.5|<=2.13

Full record on NVD

Description

SharpZipLib before 1.0 RC1 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'.

Technical details

Published: 2018-07-25

Frequently asked questions

What is CVE-2018-1002208?

Is CVE-2018-1002208 actively exploited?

Active exploitation of CVE-2018-1002208 has not been confirmed. Its EPSS score was 9.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1002208?

CVE-2018-1002208 has a CVSS v3 base score of 5.5 (MEDIUM severity).

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