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CVE-2019-0038

SRX Series: Crafted packets destined to fxp0 management interface on SRX340/SRX345 devices can lead to DoS

Medium6.5EPSS 0.74%
Published
Updated
Reserved
Assigned by
juniper

Description

Crafted packets destined to the management interface (fxp0) of an SRX340 or SRX345 services gateway may create a denial of service (DoS) condition due to buffer space exhaustion. This issue only affects the SRX340 and SRX345 services gateways. No other products or platforms are affected by this vulnerability. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D160 on SRX340/SRX345; 17.3 on SRX340/SRX345; 17.4 versions prior to 17.4R2-S3, 17.4R3 on SRX340/SRX345; 18.1 versions prior to 18.1R3-S1 on SRX340/SRX345; 18.2 versions prior to 18.2R2 on SRX340/SRX345; 18.3 versions prior to 18.3R1-S2, 18.3R2 on SRX340/SRX345. This issue does not affect Junos OS releases prior to 15.1X49 on any platform.

Scores

CVSS scores of CVE-2019-0038, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.0Medium6.5CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.74% · top 45% of all CVEs (6 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected 17.3
    • affected 15.1X49 – < 15.1X49-D160
    • affected 17.4 – < 17.4R2-S3, 17.4R3
    • affected 18.1 – < 18.1R3-S1
    • affected 18.2 – < 18.2R2
    • affected 18.3 – < 18.3R1-S2, 18.3R2
    • unaffected all – < 15.1X49

What to do

Solution: The following software releases have been updated to resolve this specific issue: Junos OS 15.1X49-D160, 17.4R2-S3, 17.4R3, 18.1R3-S1, 18.2R2, 18.3R1-S2, 18.3R2, 18.4R1, and all subsequent releases.

Workaround: There are no known workarounds for this issue.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability. The following log message may be displayed when the device is in this condition: octagl_output:1093: out of buf octagl_output:1093: out of buf octagl_output:1093: out of buf Administrators can monitor buffer space utilization by executing the command: request pfe execute target fwdd command "show octeon fpa buffers" ================ cluster1.node0 ================ SENT: Ukern command: show octeon fpa buffers FPA 0: Avail: 23632, Errors: 0 FPA 1: Avail: 22444, Errors: 0 FPA 2: Avail: 0, Errors: 0 FPA 3: Avail: 135, Errors: 0 FPA 4: Avail: 0, Errors: 0

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .