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CVE-2024-45593

28
FAUCET Score

CVE-2024-45593 is a critical arbitrary file write vulnerability affecting Nix package manager versions prior to 2.24.6. A malicious user or substituter can craft a specially designed NAR archive that, when unpacked by Nix, allows writing to arbitrary file system locations, potentially with root privileges if the Nix daemon is used. This vulnerability carries a high CVSS score of 8.8, indicating a network-based attack with low privileges required and high impact on confidentiality, integrity, and availability. While not currently listed in CISA KEV, a proof-of-concept exploit has been publicly shared, and the vulnerability has garnered significant community discussion, suggesting potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.24.0, < 2.24.6CPE matchmatch criteria
cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 33rd percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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

References

github.com / NixOS/nix/commit/eb11c1499876cd4c9c188cbda5b1003b36ce2e59
Patch
github.com / NixOS/nix/security/advisories/GHSA-h4vv-h3jq-v493
Vendor Advisory