What’s Vulnerable › Vulnerabilities

CVE-2018-0017: SRX Series: Denial of service vulnerability in flowd daemon on devices configured with NAT-PT

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-11 · updated 2026-06-17
• Weakness: CWE-20

Description

A vulnerability in the Network Address Translation - Protocol Translation (NAT-PT) feature of Junos OS on SRX series devices may allow a certain valid IPv6 packet to crash the flowd daemon. Repeated crashes of the flowd daemon can result in an extended denial of service condition for the SRX device. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D72; 12.3X48 versions prior to 12.3X48-D55; 15.1X49 versions prior to 15.1X49-D90.

Affected products

• Juniper Junos OS: from 12.1x46 through 12.1x46\:d72; from 12.3x48 through 12.3x48\:d55; from 15.1x49 through 15.1x49\:d90

References

• http://www.securityfocus.com/bid/103749
• http://www.securitytracker.com/id/1040785
• https://kb.juniper.net/JSA10845
• http://www.securityfocus.com/bid/103749
• http://www.securitytracker.com/id/1040785
• https://kb.juniper.net/JSA10845

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