High severity · published Dec 23, 2021
CVE-2021-45462
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF
7.5
CVSS
4.6%
EPSS
No
On KEV
Description
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.6% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5gs · Open5gs
2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45462
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45462
Patch
https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700
www.trendmicro.com
https://www.trendmicro.com/en_us/research/23/i/attacks-on-5g-infrastructure-from-users-devices.html
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