CVE-2023-49391

highpriority · track · 30EPSS 0.010 · 64 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

An issue was discovered in free5GC version 3.3.0, allows remote attackers to execute arbitrary code and cause a denial of service (DoS) on AMF component via crafted NGAP message.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USCWE-94US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
free5gc free5gc= 3.3.0nvdUScpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*
Go github.com/free5gc/amf≤ 1.2.0osvUSpkg:golang/github.com/free5gc/amf

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-jcrr-rr6w-8c83free5GC AMF denial of service vulnerability2023-12-22ghsa · osvUS
An issue was discovered in free5GC version 3.3.0, allows remote attackers to execute arbitrary code and cause a denial of service (DoS) on AMF component via crafted NGAP message.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-12-22modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2023-49391/cnnvd
https://github.com/free5gc/free5gcPatchcnnvd
https://github.com/free5gc/free5gc/issues/497 cnnvd
https://github.com/free5gc/free5gc/issues/497 enisa_euvd
https://github.com/free5gc/free5gc/issues/497ExploitIssue TrackingThird Party Advisorynvd

scry

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