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Juniper Junos Certificate Validation Bypass (JSA10755)

medium Nessus Plugin ID 92513

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version number, the remote Juniper Junos device is affected by a security bypass vulnerability due to improper validation of self-signed certificates used for IKE and IPsec. An unauthenticated, remote attacker can exploit this, via a specially crafted self-signed certificate, to bypass certificate validation and intercept network traffic.

Solution

Upgrade to the relevant Junos software release referenced in Juniper advisory JSA10755. Alternatively, configure all PKI-VPN tunnels to accept only Distinguished Name (DN) as the remote peer's IKE ID.

See Also

https://kb.juniper.net/JSA10755

Plugin Details

Severity: Medium

ID: 92513

File Name: juniper_jsa10755.nasl

Version: 1.7

Type: combined

Published: 7/22/2016

Updated: 1/30/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2016-1280

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/model, Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/13/2016

Vulnerability Publication Date: 7/13/2016

Reference Information

CVE: CVE-2016-1280

BID: 91761

JSA: JSA10755