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CVE-2023-4659

28
FAUCET Score

CVE-2023-4659 is a critical Cross-Site Request Forgery (CSRF) vulnerability affecting free5gc free5gc, allowing an unauthenticated attacker to perform administrative actions. The vulnerability, rated 9.8 CVSS, is easily exploitable over the network with low attack complexity, enabling attackers to create, delete, and modify users. While there is no evidence of active exploitation, public exploit code, or significant community discussion, its severe impact on confidentiality, integrity, and availability warrants immediate attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.1.1CPE matchmatch criteria
cpe:2.3:a:free5gc:free5gc:1.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 4th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

incibe.es / en/incibe-cert/notices/aviso/cross-site-request-forgery-free5gc
Third Party Advisory