CVE-2019-0051

MEDIUM

Junos OS on SRX5000 Series DoS via SSL-Proxy Hardware Resource Exhaustion

Title source: llm
STIX 2.1

Description

SSL-Proxy feature on SRX devices fails to handle a hardware resource limitation which can be exploited by remote SSL/TLS servers to crash the flowd daemon. Repeated crashes of the flowd daemon can result in an extended denial of service condition. For this issue to occur, clients protected by the SRX device must initiate a connection to the malicious server. This issue affects: Juniper Networks Junos OS on SRX5000 Series: 12.3X48 versions prior to 12.3X48-D85; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R2.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://kb.juniper.net/JSA10973

Scores

CVSS v3 6.5
EPSS 0.0024
EPSS Percentile 46.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-755
Status published
Products (4)
juniper/junos 12.3x48 (16 CPE variants)
juniper/junos 15.1x49 (23 CPE variants)
juniper/junos 17.3 (10 CPE variants)
juniper/junos 17.4
Published Oct 09, 2019
Tracked Since Feb 18, 2026