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CVE-2024-45049

22
FAUCET Score

CVE-2024-45049 describes an unauthenticated evaluation trigger vulnerability in NixOS Hydra, a Continuous Integration service. An attacker can initiate evaluations without authentication, potentially leading to denial of service due to resource exhaustion. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2024-08-27CPE matchmatch criteria
cpe:2.3:a:nixos:hydra:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.62%
Probability of exploitation in next 30 days
EPSS Percentile
46.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 23rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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/hydra/commit/f73043378907c2c7e44f633ad764c8bdd1c947d5
Patch
github.com / NixOS/hydra/security/advisories/GHSA-xv29-v93r-2f5v
PatchVendor Advisory
github.com / NixOS/nixpkgs/pull/337766
Issue TrackingPatch
mastodon.delroth.net / @delroth/113029832631860419
Third Party Advisory