CVE-2013-1629

Exp

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: 2013-08-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1629 is rated High Exploit Risk (69.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.17%, 93th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-1629

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-1629

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 39.92% 6.17% -33.76%
2 2025-03-30 57.33% 39.92% -17.41%
3 2025-03-29 — 57.33% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1629

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2013-1629

GitHub Security Advisory for CVE-2013-1629

OS Trackers for CVE-2013-1629

vendor priority summary link
debian medium CVE-2013-1629 medium priority: Debian including 2 source packages (python-pip, python-virtualenv), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2013-1629
gentoo normal CVE-2013-1629: 1 GLSA(s) (201309-05), 1 atom(s) (dev-python/pip); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1629
ubuntu medium CVE-2013-1629 medium priority: Ubuntu including 2 source packages (python-pip, python-virtualenv), 30 status rows across 15 suites (artful, bionic, lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 14, not-affected 14, released 2. https://ubuntu.com/security/CVE-2013-1629

Affected software / configurations for CVE-2013-1629

Vendor Product Version Raw CPE
pypa pip < 1.3 cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:*

References for CVE-2013-1629

cvelogic Threat Intelligence