CVE-2023-47345: free5gc Classic Buffer Overflow
Modified
AliasesGHSA-6944-6pmv-6mp2
Published 15-11-2023Last modified 29-08-2024
Vulnerability summary
CVE-2023-47345 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in free5gc. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 15-11-2023PublishedVulnerability first disclosed.
- 29-08-2024Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.85%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.85% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundFree5Gc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Free5gc1 product
- free5gc3.3.0
Github.com/free5gc1 product
- free5gc≤ 3.3.0
2 vendors · 2 products
References
3 links
- github.com/free5gc/free5gcPACKAGE