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Vulnerability details: VCID-xehh-a5vv-kffu
Vulnerability ID VCID-xehh-a5vv-kffu
Aliases CVE-2018-1002208
GHSA-cqj4-m2pc-v9m5
Summary Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib 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'.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.01482 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.01482 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.01482 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.01482 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.01482 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
epss 0.02951 https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-cqj4-m2pc-v9m5
cvssv3.1 5.5 https://github.com/icsharpcode/SharpZipLib/issues/232
generic_textual MODERATE https://github.com/icsharpcode/SharpZipLib/issues/232
cvssv3.1 5.5 https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
generic_textual MODERATE https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
cvssv3.1 5.5 https://github.com/snyk/zip-slip-vulnerability
generic_textual MODERATE https://github.com/snyk/zip-slip-vulnerability
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-1002208
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-1002208
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-1002208
cvssv3.1 5.5 https://snyk.io/research/zip-slip-vulnerability
generic_textual MODERATE https://snyk.io/research/zip-slip-vulnerability
cvssv3.1 5.5 https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247
generic_textual MODERATE https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-1002208
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1002208
https://github.com/icsharpcode/SharpZipLib/issues/232
https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
https://github.com/snyk/zip-slip-vulnerability
https://nvd.nist.gov/vuln/detail/CVE-2018-1002208
https://snyk.io/research/zip-slip-vulnerability
https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247
cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*
GHSA-cqj4-m2pc-v9m5 https://github.com/advisories/GHSA-cqj4-m2pc-v9m5
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/icsharpcode/SharpZipLib/issues/232
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/icsharpcode/SharpZipLib/wiki/Release-1.0
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://github.com/snyk/zip-slip-vulnerability
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1002208
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1002208
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://snyk.io/research/zip-slip-vulnerability
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://snyk.io/vuln/SNYK-DOTNET-SHARPZIPLIB-60247
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.80189
EPSS Score 0.01482
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:06:11.813472+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-cqj4-m2pc-v9m5/GHSA-cqj4-m2pc-v9m5.json 37.0.0