No exploitation reportedFix available

CVE-2019-0052

No exploitation reported by the sources we read.

Published2019-07-11
WeaknessCWE-404 · CWE-436

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The srxpfe process may crash on SRX Series services gateways when the UTM module processes a specific fragmented HTTP packet. The packet is misinterpreted as a regular TCP packet which causes the processor to crash. This issue affects all SRX Series platforms that support URL-Filtering and have web-filtering enabled. Affected releases are Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190 on SRX Series; 17.3 versions on SRX Series; 17.4 versions prior to 17.4R1-S8, 17.4R2-S5, 17.4R3 on SRX Series; 18.1 versions prior to 18.1R3-S6 on SRX Series; 18.2 versions prior to 18.2R2-S1, 18.2R3 on SRX Series; 18.3 versions prior to 18.3R1-S2, 18.3R2 on SRX Series; 18.4 versions prior to 18.4R1-S1, 18.4R2 on SRX Series.

Timeline

dates in UTC

2019-07-1120:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-0052?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-0052?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Juniper junosversion to verify

Branch	Affected	Fixed in	Source
12.3	= 12.3x48	no fix published	NVD
15.1	= 15.1x49	no fix published	NVD
17.3	= 17.3	no fix published	NVD
17.4	= 17.4	no fix published	NVD
18.1	= 18.1	no fix published	NVD
18.2	= 18.2	no fix published	NVD
18.3	= 18.3	no fix published	NVD
18.4	= 18.4	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

kb.juniper.netPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
CNACVSS 3.07.5read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
CNAweakness (CWE)CWE-404read 2026-10-23
NVDweakness (CWE)CWE-436read 2026-10-23
FIRST EPSSEPSS score1.8 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2019-07-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-0052?

Is CVE-2019-0052 actively exploited?

Active exploitation of CVE-2019-0052 has not been confirmed. Its EPSS score was 1.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-0052?

CVE-2019-0052 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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