VulnerabilityModified
CVE-2021-45462
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
HIGH 7.5EPSS 4.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
- 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
- 4.41% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1284
- Affected
- open5gs/open5gs
- Source
- cve@mitre.org
References
- https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700Patch, Third Party Advisory
- https://www.trendmicro.com/en_us/research/23/i/attacks-on-5g-infrastructure-from-users-devices.html
- https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700Patch, Third Party Advisory
- https://www.trendmicro.com/en_us/research/23/i/attacks-on-5g-infrastructure-from-users-devices.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.