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CVE-2023-45805

22
FAUCET Score

CVE-2023-45805 is a high-severity vulnerability affecting the PDM Python package manager (versions prior to 2.9.4) and frostming unearth. It allows for the installation of malicious packages by crafting a deceptive pdm.lock file, potentially leading to arbitrary code execution or downgrade attacks. The vulnerability has a CVSS score of 7.8 (High) due to its local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.10.0CPE matchmatch criteria
cpe:2.3:a:frostming:pdm:*:*:*:*:*:python:*:*
< 0.11.2CPE matchmatch criteria
cpe:2.3:a:frostming:unearth:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 40th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

pipGHSA-j44v-mmf2-xvm9high

PDM Trojan Lockfile

Oct 20, 2023

References

github.com / frostming/unearth/blob/eca170d9370ac5032f2e497ee9b1b63823d3fe0f/src/unearth/evaluator.py
Product
github.com / pdm-project/pdm/blob/45d1dfa47d4900c14a31b9bb761e4c46eb5c9442/src/pdm/models/candidates.py
Product
github.com / pdm-project/pdm/commit/6853e2642dfa281d4a9958fbc6c95b7e32d84831
PatchVendor Advisory
github.com / pdm-project/pdm/security/advisories/GHSA-j44v-mmf2-xvm9
ExploitVendor Advisory
peps.python.org / pep-0440
Not Applicable