Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-1002208

24
FAUCET Score

CVE-2018-1002208, also known as 'Zip-Slip', is a directory traversal vulnerability affecting SharpZipLib before version 1.0 RC1. This flaw allows an attacker to write arbitrary files to a system by crafting a malicious Zip archive containing entries with "../" (dot dot slash) sequences. The vulnerability has a CVSS score of 5.5 (Medium) and requires user interaction (UI:R), as the victim must extract the malicious archive. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.86.0.518CPE matchmatch criteria
cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.93%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0893 is in the 98th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
nugetpatch availablevia ghsa
Product: SharpZipLibFixed in: 1.0.0-rc1

Vendor Advisories (1)

nugetGHSA-cqj4-m2pc-v9m5medium

Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib

May 13, 2022

References

github.com / icsharpcode/SharpZipLib/issues/232
Issue TrackingPatchThird Party Advisory
github.com / icsharpcode/SharpZipLib/wiki/Release-1.0
Issue TrackingPatchThird Party Advisory
github.com / snyk/zip-slip-vulnerability
Third Party Advisory
snyk.io / research/zip-slip-vulnerability
Third Party Advisory
snyk.io / vuln/SNYK-DOTNET-SHARPZIPLIB-60247
ExploitPatchTechnical Description