How severe is CVE-2013-1629?

CVE-2013-1629 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-1629 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1629?

CVE-2013-1629 affects Pypa Pip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-1629?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1629 published?

CVE-2013-1629 was published on 2013-08-06 and last updated on 2026-06-16.

CVE-2013-1629

CVE-2013-1629 is a medium-severity vulnerability in Pypa Pip with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Pypa Pip
Published: 2013-08-06
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-1629?: 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.
How severe is CVE-2013-1629?: CVE-2013-1629 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-1629 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1629?: CVE-2013-1629 affects Pypa Pip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-1629?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1629 published?: CVE-2013-1629 was published on 2013-08-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:*

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