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CVE-2025-59350

19
FAUCET Score

CVE-2025-59350 affects Dragonfly, an open-source P2P file distribution system, specifically versions prior to 2.1.0. The vulnerability stems from a timing attack flaw in the Proxy feature's access control, where simple string comparisons allow an attacker to guess passwords character by character by measuring execution times. Rated Medium (CVSS 5.3), this vulnerability can be exploited remotely with low complexity, potentially leading to unauthorized information disclosure. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.0CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:dragonfly:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 4.0

2.7LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
23.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 14th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/dragonflyoss/dragonflyFixed in: 2.1.0
gopatch availablevia ghsa
Product: d7y.io/dragonfly/v2Fixed in: 2.1.0

Vendor Advisories (1)

goGHSA-c2fc-9q9c-5486medium

Dragonfly vulnerable to timing attacks against Proxy’s basic authentication

Sep 17, 2025

References

github.com / dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf
Product
github.com / dragonflyoss/dragonfly/security/advisories/GHSA-c2fc-9q9c-5486
PatchThird Party Advisory