cbcvebase.
CVE-2021-0230
published 2021-04-22

CVE-2021-0230: On Juniper Networks SRX Series devices with link aggregation (lag) configured, executing any operation that fetches Aggregated Ethernet (AE) interface…

PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.96%
57.6th percentile
On Juniper Networks SRX Series devices with link aggregation (lag) configured, executing any operation that fetches Aggregated Ethernet (AE) interface statistics, including but not limited to SNMP GET requests, causes a slow kernel memory leak. If all the available memory is consumed, the traffic will be impacted and a reboot might be required. The following log can be seen if this issue happens. /kernel: rt_pfe_veto: Memory over consumed. Op 1 err 12, rtsm_id 0:-1, msg type 72 /kernel: rt_pfe_veto: free kmem_map memory = (20770816) curproc = kmd An administrator can use the following CLI command to monitor the status of memory consumption (ifstat bucket): user@device > show system virtual-memory no-forwarding | match ifstat Type InUse MemUse HighUse Limit Requests Limit Limit Size(s) ifstat 2588977 162708K - 19633958 show system virtual-memory no-forwarding | match ifstat Type InUse MemUse HighUse Limit Requests Limit Limit Size(s) ifstat 3021629 189749K - 22914415 <<<< This issue affects Juniper Networks Junos OS on SRX Series: 17.1 versions 17.1R3 and above prior to 17.3R3-S11; 17.4 versions prior to 17.4R3-S5; 18.2 versions prior to 18.2R3-S7, 18.2R3-S8; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S7, 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R1-S6; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2-S2, 20.2R3; 20.3 versions prior to 20.3R1-S2, 20.3R2. This issue does not affect Juniper Networks Junos OS prior to 17.1R3.

Affected

29 ranges· showing 25
VendorProductVersion rangeFixed in
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos
juniperjunos_os
junipersrx_series
juniper_networksjunos_os>= 17.1R3 < 17.1*17.1*
juniper_networksjunos_os>= 17.3 < 17.3R3-S1117.3R3-S11
juniper_networksjunos_os>= 17.4 < 17.4R3-S517.4R3-S5
juniper_networksjunos_os>= 18.2 < 18.2R3-S7, 18.2R3-S818.2R3-S7, 18.2R3-S8
juniper_networksjunos_os>= 18.3 < 18.3R3-S418.3R3-S4
juniper_networksjunos_os>= 18.4 < 18.4R2-S7, 18.4R3-S618.4R2-S7, 18.4R3-S6
juniper_networksjunos_os>= 19.1 < 19.1R3-S419.1R3-S4
juniper_networksjunos_os>= 19.2 < 19.2R1-S619.2R1-S6
juniper_networksjunos_os>= 19.3 < 19.3R3-S119.3R3-S1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
vendor_oracle9.8CRITICAL
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.