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CVE-2023-46738

20
FAUCET Score

CVE-2023-46738 is a denial-of-service vulnerability affecting CubeFS HandlerNode versions prior to 3.3.1. An authenticated attacker with object deletion permissions can send a specially crafted HTTP request to exhaust the ObjectNode's memory, causing it to crash and deny service to other users. The vulnerability has a CVSS score of 6.5 (Medium) due to its network attack vector, low attack complexity, and high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

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:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 53rd percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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-qc6v-g3xw-grmxhigh

Authenticated users can crash the CubeFS servers with maliciously crafted requests

Jan 3, 2024

References

github.com / cubefs/cubefs/commit/dd46c24873c8f3df48d0a598b704ef9bd24b1ec1
Patch
github.com / cubefs/cubefs/security/advisories/GHSA-qc6v-g3xw-grmx
Third Party Advisory