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PYSEC-2018-21
Vulnerability from pysec - Published: 2018-08-20 00:29 - Updated: 2021-06-10 06:52
VLAI
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Impacted products
| Name | purl | pycryptodome | pkg:pypi/pycryptodome |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "pycryptodome",
"purl": "pkg:pypi/pycryptodome"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.6.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0",
"3.0rc1",
"3.1",
"3.2",
"3.2.1",
"3.3",
"3.3.1",
"3.4",
"3.4.11",
"3.4.3",
"3.4.4",
"3.4.5",
"3.4.6",
"3.4.7",
"3.4.8",
"3.4.9",
"3.5.0",
"3.5.1",
"3.6.0",
"3.6.1",
"3.6.3",
"3.6.4",
"3.6.5"
]
}
],
"aliases": [
"CVE-2018-15560",
"GHSA-hgg3-g7gr-66r7"
],
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "PYSEC-2018-21",
"modified": "2021-06-10T06:52:01.279206Z",
"published": "2018-08-20T00:29:00Z",
"references": [
{
"type": "ARTICLE",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
},
{
"type": "REPORT",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
}
]
}
BREW-SCOUTSUITE-CVE-2018-15560 (GHSA-HGG3-G7GR-66R7)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:34 – Updated: 2026-09-10 01:11 – Source website
VLAI
Summary
PyCryptodome integer overflow vulnerability
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
References
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "pycryptodome",
"resource_purl": "pkg:pypi/pycryptodome@3.23.0",
"upstream_fixed_in": "3.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "scoutsuite",
"purl": "pkg:brew/scoutsuite"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.14.0_16"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/pycryptodome@3.23.0",
"name": "pycryptodome",
"resource": "pycryptodome",
"strategy": "registry",
"subject_version": "3.23.0"
}
]
},
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "BREW-scoutsuite-CVE-2018-15560",
"modified": "2026-09-10T01:11:31Z",
"published": "2026-08-13T17:34:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15560"
},
{
"type": "WEB",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "PACKAGE",
"url": "https://github.com/Legrandin/pycryptodome"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml"
},
{
"type": "WEB",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "PyCryptodome integer overflow vulnerability",
"upstream": [
"GHSA-hgg3-g7gr-66r7",
"CVE-2018-15560",
"PYSEC-2018-21"
]
}
BREW-SGR-CVE-2018-15560 (GHSA-HGG3-G7GR-66R7)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:34 – Updated: 2026-09-10 01:12 – Source website
VLAI
Summary
PyCryptodome integer overflow vulnerability
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
References
| URL | Type | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "pycryptodome",
"resource_purl": "pkg:pypi/pycryptodome@3.23.0",
"upstream_fixed_in": "3.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "sgr",
"purl": "pkg:brew/sgr"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.3.12_15"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/pycryptodome@3.23.0",
"name": "pycryptodome",
"resource": "pycryptodome",
"strategy": "registry",
"subject_version": "3.23.0"
}
]
},
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "BREW-sgr-CVE-2018-15560",
"modified": "2026-09-10T01:12:04Z",
"published": "2026-08-13T17:34:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15560"
},
{
"type": "WEB",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "PACKAGE",
"url": "https://github.com/Legrandin/pycryptodome"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml"
},
{
"type": "WEB",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "PyCryptodome integer overflow vulnerability",
"upstream": [
"GHSA-hgg3-g7gr-66r7",
"CVE-2018-15560",
"PYSEC-2018-21"
]
}
BREW-SLITHER-ANALYZER-CV… (GHSA-HGG3-G7GR-66R7)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:34 – Updated: 2026-09-10 20:54 – Source website
VLAI
Summary
PyCryptodome integer overflow vulnerability
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
References
| URL | Type | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "pycryptodome",
"resource_purl": "pkg:pypi/pycryptodome@3.23.0",
"upstream_fixed_in": "3.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "slither-analyzer",
"purl": "pkg:brew/slither-analyzer"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.11.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/pycryptodome@3.23.0",
"name": "pycryptodome",
"resource": "pycryptodome",
"strategy": "registry",
"subject_version": "3.23.0"
}
]
},
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "BREW-slither-analyzer-CVE-2018-15560",
"modified": "2026-09-10T20:54:13Z",
"published": "2026-08-13T17:34:41Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15560"
},
{
"type": "WEB",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "PACKAGE",
"url": "https://github.com/Legrandin/pycryptodome"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml"
},
{
"type": "WEB",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "PyCryptodome integer overflow vulnerability",
"upstream": [
"GHSA-hgg3-g7gr-66r7",
"CVE-2018-15560",
"PYSEC-2018-21"
]
}
BREW-SOLC-SELECT-CVE-201… (GHSA-HGG3-G7GR-66R7)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:35 – Updated: 2026-09-10 01:16 – Source website
VLAI
Summary
PyCryptodome integer overflow vulnerability
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
References
| URL | Type | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "pycryptodome",
"resource_purl": "pkg:pypi/pycryptodome@3.23.0",
"upstream_fixed_in": "3.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "solc-select",
"purl": "pkg:brew/solc-select"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0_4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/pycryptodome@3.23.0",
"name": "pycryptodome",
"resource": "pycryptodome",
"strategy": "registry",
"subject_version": "3.23.0"
}
]
},
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "BREW-solc-select-CVE-2018-15560",
"modified": "2026-09-10T01:16:40Z",
"published": "2026-08-13T17:35:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15560"
},
{
"type": "WEB",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "PACKAGE",
"url": "https://github.com/Legrandin/pycryptodome"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml"
},
{
"type": "WEB",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "PyCryptodome integer overflow vulnerability",
"upstream": [
"GHSA-hgg3-g7gr-66r7",
"CVE-2018-15560",
"PYSEC-2018-21"
]
}
BREW-STREAMLINK-CVE-2018-15560 (GHSA-HGG3-G7GR-66R7)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:41 – Updated: 2026-10-09 09:09 – Source website
VLAI
Summary
PyCryptodome integer overflow vulnerability
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
References
| URL | Type | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "pycryptodome",
"resource_purl": "pkg:pypi/pycryptodome@3.24.0",
"upstream_fixed_in": "3.6.6"
},
"package": {
"ecosystem": "Homebrew",
"name": "streamlink",
"purl": "pkg:brew/streamlink"
},
"ranges": [
{
"events": [
{
"introduced": "0.4.0"
},
{
"fixed": "1.0.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/pycryptodome@3.24.0",
"name": "pycryptodome",
"resource": "pycryptodome",
"strategy": "registry",
"subject_version": "3.24.0"
}
]
},
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "BREW-streamlink-CVE-2018-15560",
"modified": "2026-10-09T09:09:14Z",
"published": "2026-08-13T17:41:09Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15560"
},
{
"type": "WEB",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "PACKAGE",
"url": "https://github.com/Legrandin/pycryptodome"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml"
},
{
"type": "WEB",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "PyCryptodome integer overflow vulnerability",
"upstream": [
"GHSA-hgg3-g7gr-66r7",
"CVE-2018-15560",
"PYSEC-2018-21"
]
}
CVE-2018-15560 (GCVE-0-2018-15560)
Vulnerability from cvelistv5 – Published: 2018-08-20 00:00 – Updated: 2024-08-05 09:54
VLAI
EPSS
VEX
Summary
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://whitehatck01.blogspot.com/2018/08/integer… | x_refsource_MISC |
| https://github.com/Legrandin/pycryptodome/issues/198 | x_refsource_MISC |
Date Public
2018-08-19 00:00
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{
"name": "https://github.com/Legrandin/pycryptodome/issues/198",
"refsource": "MISC",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2018-15560",
"datePublished": "2018-08-20T00:00:00.000Z",
"dateReserved": "2018-08-19T00:00:00.000Z",
"dateUpdated": "2024-08-05T09:54:03.532Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
GHSA-HGG3-G7GR-66R7
Vulnerability from github – Published: 2018-08-27 19:52 – Updated: 2024-10-21 20:21
VLAI
Summary
PyCryptodome integer overflow vulnerability
Details
PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.
Severity
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "pycryptodome"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.6.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2018-15560"
],
"database_specific": {
"cwe_ids": [
"CWE-190"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:40:07Z",
"nvd_published_at": "2018-08-20T00:29:00Z",
"severity": "HIGH"
},
"details": "PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.",
"id": "GHSA-hgg3-g7gr-66r7",
"modified": "2024-10-21T20:21:37Z",
"published": "2018-08-27T19:52:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-15560"
},
{
"type": "WEB",
"url": "https://github.com/Legrandin/pycryptodome/issues/198"
},
{
"type": "PACKAGE",
"url": "https://github.com/Legrandin/pycryptodome"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-hgg3-g7gr-66r7"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml"
},
{
"type": "WEB",
"url": "https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "PyCryptodome integer overflow vulnerability"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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