CVE-2018-0017

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

HIGH

7.5

CVSS Score

Published: April 11, 2018 at 07:00 PM UTC

Updated: June 17, 2026 at 01:29 AM UTC

1 product affected across 1 vendorJunos

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos · Juniper Networks

95%

12.1X46 ≤ v < 12.1X46-D7612.1x46 ≤ v ≤ 12.1x46:d7212.3X48 ≤ v < 12.3X48-D5512.3x48 ≤ v ≤ 12.3x48:d5515.1X49 ≤ v < 15.1X49-D9015.1x49 ≤ v ≤ 15.1x49:d9012.1X46 12.3X48 15.1X49

Affected range stops below 12.1X46-D76, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.3X48-D55, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X49-D90, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.juniper.net/JSA10845

References (3)

VDB Entryx_refsource_BIDThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/103749

VDB Entryx_refsource_SECTRACKThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1040785

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA10845

CVSS

7.5HIGHjuniper

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20

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