HIGH
pip before 1.3 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 a "pip install" operation
Published Aug 6, 2013
7.3
HIGHCVSS 4.0
EPSS 6.19%
Description
pip before 1.3 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 a "pip install" operation.
Affected products
Remediation
No remediation recorded yet.
Metrics
7.3 HIGH GHSA
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Attack Vector Local
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality High
Vulnerable System Integrity High
Vulnerable System Availability High
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
Exploit Maturity Proof of Concept
8.4 HIGH GHSA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.19% 0.06194
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.06194
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 6.19% (0.06194) | 93.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.17% (0.06166) | 92.54th | v5 (v2026.06.15) |
| Mar 30, 2025 | 39.92% (0.39922) | 97.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 57.33% (0.57331) | 97.33th | v4 (v2025.03.14) |
| Mar 25, 2025 | 39.92% (0.39922) | 97.01th | v4 (v2025.03.14) |
| Mar 24, 2025 | 13.49% (0.13492) | 93.58th | v4 (v2025.03.14) |
| Mar 19, 2025 | 2.03% (0.02030) | 81.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.49% (0.13492) | 93.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.37% (0.00372) | 73.53th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.29% (0.00293) | 69.32th | v3 (v2023.03.01) |
| May 24, 2024 | 0.29% (0.00287) | 68.79th | v3 (v2023.03.01) |
| May 10, 2024 | 0.22% (0.00221) | 59.99th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.18% (0.00180) | 54.15th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.15% (0.00152) | 50.14th | v3 (v2023.03.01) |
| Aug 4, 2023 | 0.37% (0.00372) | 69.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00342) | 66.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.21% (0.03214) | 84.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.21% (0.03214) | 82.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.21% (0.03214) | 65.20th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://www.pip-installer.org/en/latest/installing.html x_refsource_CONFIRMVendor Advisory
- http://www.pip-installer.org/en/latest/news.html#changelog x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a x_refsource_MISCExploitThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=968059 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/advisories/GHSA-g3p5-fjj9-h8gj Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/pip/PYSEC-2013-8.yaml
- https://github.com/pypa/pip/issues/425 x_refsource_CONFIRMThird Party Advisory
- https://github.com/pypa/pip/pull/791/files x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-1629
| Link | Providers | Tags |
|---|---|---|
| http://www.pip-installer.org/en/latest/installing.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.pip-installer.org/en/latest/news.html#changelog | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a | x_refsource_MISCExploitThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=968059 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://github.com/advisories/GHSA-g3p5-fjj9-h8gj | Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/pip/PYSEC-2013-8.yaml | ||
| https://github.com/pypa/pip/issues/425 | x_refsource_CONFIRMThird Party Advisory | |
| https://github.com/pypa/pip/pull/791/files | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1629 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 6, 2013
Updated Sep 16, 2024
Reserved Feb 6, 2013
Link CVE-2013-1629
CISA Vulnrichment
GHSA-G3P5-FJJ9-H8GJ Updated n/a