High severity · published Aug 29, 2023
CVE-2023-41376
Nokia Service Router Operating System (SR OS) 22.10 and SR Linux, when error-handling update-fault-tolerance is not enabled, mishandle BGP path attributes
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
Nokia Service Router Operating System (SR OS) 22.10 and SR Linux, when error-handling update-fault-tolerance is not enabled, mishandle BGP path attributes.
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)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SR
Service Router Linux · Nokia
All versions, or not specified · source: NVD
SR
Service Router Operating System · Nokia
22.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-41376
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-41376
Exploit
https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
Issue Tracking
https://news.ycombinator.com/item?id=37305800
Product
https://www.nokia.com/networks/technologies/service-router-operating-system/