Vulnerability identifier: #VU17085

Vulnerability risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-0007

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description
The vulnerability allows  a remote attacker to bypass security restrictions.

The weakness exists due to the use of a predictable IP ID Sequence Number. A remote attacker can bypass security restrictions launch further attacks on the system.

Mitigation
Update to version 15.1F5.

Vulnerable software versions

Juniper Junos OS: 15.1, 15.1F - 15.1F4-S2

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External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10903&cat=SIRT_1&actp=LIST

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.