VulnerabilityModified
CVE-2021-44109
A buffer overflow in lib/sbi/message.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request.
HIGH 7.5EPSS 1.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow in lib/sbi/message.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.63% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- open5gs/open5gs
- Source
- cve@mitre.org
References
- https://github.com/open5gs/open5gs/commit/d919b2744cd05abae043490f0a3dd1946c1ccb8cPatch, Third Party Advisory
- https://github.com/open5gs/open5gs/issues/1247Exploit, Issue Tracking, Third Party Advisory
- https://github.com/open5gs/open5gs/commit/d919b2744cd05abae043490f0a3dd1946c1ccb8cPatch, Third Party Advisory
- https://github.com/open5gs/open5gs/issues/1247Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.