vulnwire
5.8med

CVE-2019-0002

Junos OS: EX2300 and EX3400 series: Certain stateless firewall filter rules might not take effect

Published 7 y ago · modified 4 mo ago · JSON

CVSS
5.8
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

On EX2300 and EX3400 series, stateless firewall filter configuration that uses the action 'policer' in combination with other actions might not take effect. When this issue occurs, the output of the command: show pfe filter hw summary will not show the entry for: RACL group Affected releases are Junos OS on EX2300 and EX3400 series: 15.1X53 versions prior to 15.1X53-D590; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2. This issue affect both IPv4 and IPv6 firewall filter.

Exploit prediction (EPSS)

2.38% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.05.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA3.05.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Juniper Networks Junos OS

Classification

Weakness
  • CWE-794 Incomplete Filtering of Multiple Instances of Special Elements

References

  • securityfocus.com /bid/106669 · vdb-entry, x_refsource_BID, x_transferred
  • juniper.net /documentation/en_US/junos/topics/reference/command-summary/show-pfe-filter.html · x_refsource_MISC, x_transferred
  • kb.juniper.net /JSA10901 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.