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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:nuget/SharpZipLib@1.0.0
Typenuget
Namespace
NameSharpZipLib
Version1.0.0
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version1.3.3
Latest_non_vulnerable_version1.3.3
Affected_by_vulnerabilities
0
url VCID-1qhk-r5sq-zqhm
vulnerability_id VCID-1qhk-r5sq-zqhm
summary 
Path traversal in SharpZipLib
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. A check was added if the destination file is under a destination directory. However, it is not enforced that `_baseDirectory` ends with slash. If the `_baseDirectory` is not slash terminated like `/home/user/dir` it is possible to create a file with a name thats begins as the destination directory one level up from the directory, i.e. `/home/user/dir.sh`. Because of the file name and destination directory constraints, the arbitrary file creation impact is limited and depends on the use case. fixed this vulnerability.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-32842
reference_id
reference_type
scores
0
value 0.00298
scoring_system epss
scoring_elements 0.53094
published_at 2026-04-07T12:55:00Z
1
value 0.00298
scoring_system epss
scoring_elements 0.53186
published_at 2026-04-21T12:55:00Z
2
value 0.00298
scoring_system epss
scoring_elements 0.53138
published_at 2026-04-09T12:55:00Z
3
value 0.00298
scoring_system epss
scoring_elements 0.53145
published_at 2026-04-08T12:55:00Z
4
value 0.00298
scoring_system epss
scoring_elements 0.53125
published_at 2026-04-04T12:55:00Z
5
value 0.00298
scoring_system epss
scoring_elements 0.53204
published_at 2026-04-18T12:55:00Z
6
value 0.00298
scoring_system epss
scoring_elements 0.53196
published_at 2026-04-16T12:55:00Z
7
value 0.00298
scoring_system epss
scoring_elements 0.53157
published_at 2026-04-13T12:55:00Z
8
value 0.00298
scoring_system epss
scoring_elements 0.53173
published_at 2026-04-12T12:55:00Z
9
value 0.00298
scoring_system epss
scoring_elements 0.53082
published_at 2026-04-01T12:55:00Z
10
value 0.00298
scoring_system epss
scoring_elements 0.53101
published_at 2026-04-02T12:55:00Z
11
value 0.00298
scoring_system epss
scoring_elements 0.53188
published_at 2026-04-11T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-32842
1
reference_url https://github.com/icsharpcode/SharpZipLib
reference_id
reference_type
scores
0
value 4.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/icsharpcode/SharpZipLib
2
reference_url https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
reference_id
reference_type
scores
0
value 4
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1
value 4.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:39Z/
url https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
3
reference_url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
reference_id
reference_type
scores
0
value 4.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
4
reference_url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
reference_id
reference_type
scores
0
value 4
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:39Z/
url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
5
reference_url https://nvd.nist.gov/vuln/detail/CVE-2021-32842
reference_id CVE-2021-32842
reference_type
scores
0
value 4.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2021-32842
6
reference_url https://github.com/advisories/GHSA-mm6g-mmq6-53ff
reference_id GHSA-mm6g-mmq6-53ff
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-mm6g-mmq6-53ff
fixed_packages
0
url pkg:nuget/SharpZipLib@1.3.3
purl pkg:nuget/SharpZipLib@1.3.3
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:nuget/SharpZipLib@1.3.3
aliases CVE-2021-32842, GHSA-mm6g-mmq6-53ff
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-1qhk-r5sq-zqhm
1
url VCID-fxh1-kq9x-6bbz
vulnerability_id VCID-fxh1-kq9x-6bbz
summary 
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. A TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2021-32840
reference_id
reference_type
scores
0
value 0.01545
scoring_system epss
scoring_elements 0.81391
published_at 2026-04-09T12:55:00Z
1
value 0.01545
scoring_system epss
scoring_elements 0.8143
published_at 2026-04-21T12:55:00Z
2
value 0.01545
scoring_system epss
scoring_elements 0.81429
published_at 2026-04-16T12:55:00Z
3
value 0.01545
scoring_system epss
scoring_elements 0.81392
published_at 2026-04-13T12:55:00Z
4
value 0.01545
scoring_system epss
scoring_elements 0.81327
published_at 2026-04-01T12:55:00Z
5
value 0.01545
scoring_system epss
scoring_elements 0.81336
published_at 2026-04-02T12:55:00Z
6
value 0.01545
scoring_system epss
scoring_elements 0.814
published_at 2026-04-12T12:55:00Z
7
value 0.01545
scoring_system epss
scoring_elements 0.81412
published_at 2026-04-11T12:55:00Z
8
value 0.01545
scoring_system epss
scoring_elements 0.81358
published_at 2026-04-04T12:55:00Z
9
value 0.01545
scoring_system epss
scoring_elements 0.81357
published_at 2026-04-07T12:55:00Z
10
value 0.01545
scoring_system epss
scoring_elements 0.81386
published_at 2026-04-08T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2021-32840
1
reference_url https://github.com/icsharpcode/SharpZipLib
reference_id
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/icsharpcode/SharpZipLib
2
reference_url https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc
reference_id
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:52Z/
url https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc
3
reference_url https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
reference_id
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:52Z/
url https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
4
reference_url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
reference_id
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
5
reference_url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
reference_id
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-22T15:51:52Z/
url https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/
6
reference_url https://nvd.nist.gov/vuln/detail/CVE-2021-32840
reference_id CVE-2021-32840
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2021-32840
7
reference_url https://github.com/advisories/GHSA-m22m-h4rf-pwq3
reference_id GHSA-m22m-h4rf-pwq3
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-m22m-h4rf-pwq3
fixed_packages
0
url pkg:nuget/SharpZipLib@1.3.3
purl pkg:nuget/SharpZipLib@1.3.3
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:nuget/SharpZipLib@1.3.3
aliases CVE-2021-32840, GHSA-m22m-h4rf-pwq3
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-fxh1-kq9x-6bbz
Fixing_vulnerabilities
Risk_score4.0
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:nuget/SharpZipLib@1.0.0