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CVE-2023-46739

18
FAUCET Score

CVE-2023-46739 is a timing attack vulnerability in the CubeFS master component, affecting versions prior to 3.3.1. This flaw, stemming from raw string password comparison, allows an unauthenticated attacker to steal user passwords. Rated Medium (CVSS 5.9), the attack has high complexity but can lead to high confidentiality impact without affecting integrity or availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.1CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:cubefs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
3.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 4th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/cubefs/cubefsFixed in: 3.3.1

Vendor Advisories (1)

goGHSA-8579-7p32-f398high

CubeFS timing attack can leak user passwords

Jan 3, 2024

References

github.com / cubefs/cubefs/commit/6a0d5fa45a77ff20c752fa9e44738bf5d86c84bd
Patch
github.com / cubefs/cubefs/security/advisories/GHSA-8579-7p32-f398
Third Party Advisory