Vulnerability in Juniper Junos
CVE-2018-0026
After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0> show interfaces <interface_name> extensive | match filters" CAM destination filters: 0, CAM source filters: 0 Note: when the issue occurs, it does not show the applied firewall filter. The correct output should show the applied firewall filter, for example: user@re0> show interfaces <interface_name> extensive | match filters" CAM destination filters: 0, CAM source filters: 0 Input Filters: FIREWAL_FILTER_NAME-<interface_name> This issue affects firewall filters for every address family. Affected releases are Juniper Networks Junos OS: 15.1R4, 15.1R5, 15.1R6 and SRs based on these MRs. 15.1X8 versions prior to 15.1X8.3.
EPSS: 0.018 (76.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.
Affected products
- Juniper Junos — versions 15.1, 15.1x8
- Juniper Networks Junos Os — versions 15.1X8, 15.1R4, 15.1R5, 15.1R6
References
- sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)
- sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-0026?
- CVE-2018-0026 is a medium-severity vulnerability in Juniper Junos. CVSS score: 4.7/10. Published 2018-07-11.
- How severe is CVE-2018-0026?
- Medium severity. CVSS v3 base score is 4.7 out of 10.