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PYSEC-2013-22
Vulnerability from pysec - Published: 2013-08-06 02:52 - Updated: 2021-07-15 02:22
VLAI
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Impacted products
| Name | purl | setuptools | pkg:pypi/setuptools |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "setuptools",
"purl": "pkg:pypi/setuptools"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.6b1",
"0.6b2",
"0.6b3",
"0.6b4",
"0.6c1",
"0.6c10",
"0.6c11",
"0.6c2",
"0.6c3",
"0.6c4",
"0.6c5",
"0.6c6",
"0.6c7",
"0.6c8",
"0.6c9"
]
}
],
"aliases": [
"CVE-2013-1633",
"GHSA-27x4-j476-jp5f"
],
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "PYSEC-2013-22",
"modified": "2021-07-15T02:22:20.324113Z",
"published": "2013-08-06T02:52:00Z",
"references": [
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a/"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-27x4-j476-jp5f"
}
]
}
BREW-MOLECULE-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:14 – Updated: 2026-09-10 00:32 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@84.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "molecule",
"purl": "pkg:brew/molecule"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@84.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "84.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-molecule-CVE-2013-1633",
"modified": "2026-09-10T00:32:15Z",
"published": "2026-08-13T17:14:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-MOTO-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:14 – Updated: 2026-09-10 00:32 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@84.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "moto",
"purl": "pkg:brew/moto"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.2.2_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@84.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "84.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-moto-CVE-2013-1633",
"modified": "2026-09-10T00:32:37Z",
"published": "2026-08-13T17:14:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-MYCLI-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:16 – Updated: 2026-10-09 09:23 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@84.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "mycli",
"purl": "pkg:brew/mycli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.13.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@84.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "84.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-mycli-CVE-2013-1633",
"modified": "2026-10-09T09:23:28Z",
"published": "2026-08-13T17:16:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-NEOVIM-REMOTE-CVE-2… (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:17 – Updated: 2026-09-10 00:37 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@83.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "neovim-remote",
"purl": "pkg:brew/neovim-remote"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.5.1_5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@83.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "83.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-neovim-remote-CVE-2013-1633",
"modified": "2026-09-10T00:37:07Z",
"published": "2026-08-13T17:17:10Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-OCI-CLI-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:19 – Updated: 2026-09-10 00:39 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@83.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "oci-cli",
"purl": "pkg:brew/oci-cli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.90.2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@83.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "83.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-oci-cli-CVE-2013-1633",
"modified": "2026-09-10T00:39:08Z",
"published": "2026-08-13T17:19:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-ONLYKEY-AGENT-CVE-2… (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-10 00:41 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@81.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "onlykey-agent",
"purl": "pkg:brew/onlykey-agent"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.1.15_13"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@81.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "81.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-onlykey-agent-CVE-2013-1633",
"modified": "2026-09-10T00:41:55Z",
"published": "2026-08-13T17:21:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-OPENSTACKCLIENT-CVE… (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:24 – Updated: 2026-09-10 00:45 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@84.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "openstackclient",
"purl": "pkg:brew/openstackclient"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.2.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@84.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "84.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-openstackclient-CVE-2013-1633",
"modified": "2026-09-10T00:45:16Z",
"published": "2026-08-13T17:24:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-OSC-CLI-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:24 – Updated: 2026-09-10 20:16 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@83.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "osc-cli",
"purl": "pkg:brew/osc-cli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.11.0_14"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@83.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "83.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-osc-cli-CVE-2013-1633",
"modified": "2026-09-10T20:16:54Z",
"published": "2026-08-13T17:24:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-PAPIS-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:25 – Updated: 2026-08-13 17:25 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@83.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "papis",
"purl": "pkg:brew/papis"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.15.0_5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@83.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "83.0.0"
},
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@83.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "83.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-papis-CVE-2013-1633",
"modified": "2026-08-13T17:25:32Z",
"published": "2026-08-13T17:25:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
BREW-PIP-TOOLS-CVE-2013-1633 (GHSA-27X4-J476-JP5F)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:28 – Updated: 2026-09-10 00:53 – Source website
VLAI
Summary
Setuptools vulnerable to Man-in-the-middle attacks
Details
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Severity
8.3 (High)
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "setuptools",
"resource_purl": "pkg:pypi/setuptools@84.0.0",
"upstream_fixed_in": "0.7"
},
"package": {
"ecosystem": "Homebrew",
"name": "pip-tools",
"purl": "pkg:brew/pip-tools"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.6.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/setuptools@84.0.0",
"name": "setuptools",
"resource": "setuptools",
"strategy": "registry",
"subject_version": "84.0.0"
}
]
},
"details": "easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.",
"id": "BREW-pip-tools-CVE-2013-1633",
"modified": "2026-09-10T00:53:28Z",
"published": "2026-08-13T17:28:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1633"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/pypa/setuptools"
},
{
"type": "WEB",
"url": "https://pypi.python.org/pypi/setuptools/0.9.8#changes"
},
{
"type": "WEB",
"url": "http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Setuptools vulnerable to Man-in-the-middle attacks",
"upstream": [
"GHSA-27x4-j476-jp5f",
"CVE-2013-1633",
"PYSEC-2013-22"
]
}
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Show additional events:
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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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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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