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Vulnerability details: VCID-xrv7-zb1u-aaag
Vulnerability ID VCID-xrv7-zb1u-aaag
Aliases CVE-2021-32842
GHSA-mm6g-mmq6-53ff
Summary Path Traversal in SharpZipLib
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 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00093 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00182 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
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epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
epss 0.00282 https://api.first.org/data/v1/epss?cve=CVE-2021-32842
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-mm6g-mmq6-53ff
cvssv3.1 4.0 https://github.com/icsharpcode/SharpZipLib
generic_textual MODERATE https://github.com/icsharpcode/SharpZipLib
cvssv3.1 4 https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
cvssv3.1 4.0 https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
generic_textual MODERATE https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
ssvc Track https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-32842
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-32842
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-32842
cvssv3.1 4.0 https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
generic_textual MODERATE https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
cvssv3.1 4 https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
ssvc Track https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-32842
https://github.com/icsharpcode/SharpZipLib
https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
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:*:*:*:*:*:*:*:*
CVE-2021-32842 https://nvd.nist.gov/vuln/detail/CVE-2021-32842
GHSA-mm6g-mmq6-53ff https://github.com/advisories/GHSA-mm6g-mmq6-53ff
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/icsharpcode/SharpZipLib
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:N/S:U/C:N/I:L/A:N Found at https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
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:N/S:U/C:N/I:L/A:N Found at https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:39Z/ Found at https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32842
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32842
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32842
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:N/S:U/C:N/I:L/A:N Found at https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
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:N/S:U/C:N/I:L/A:N Found at https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:39Z/ Found at https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
Exploit Prediction Scoring System (EPSS)
Percentile 0.40764
EPSS Score 0.00093
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.