CVE-2017-10603 Junos OS: Local XML Injection through CLI command can lead to privilege escalation

What is CVE-2017-10603?

CVE-2017-10603 is a high-severity code injection vulnerability in Juniper Junos, published on 14 Jul 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An XML injection vulnerability in Junos OS CLI can allow a locally authenticated user to elevate privileges and run arbitrary commands as the root user. This issue was found during internal product security testing. Affected releases are Juniper Networks Junos OS 15.1X53 prior to 15.1X53-D47, 15.1 prior to 15.1R3. Junos versions prior to 15.1 are not affected. No other Juniper Networks products or platforms are affected by this issue.

Weakness: CWE-91

Which versions are affected by CVE-2017-10603?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2017-10603?

No fix has been published for CVE-2017-10603 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2017-10603 being exploited?

There is no known exploitation of CVE-2017-10603 in the wild and no public exploit code.

Other vulnerabilities in Juniper Junos

• CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Exploited Critical 9.8
• CVE-2020-1631 Juniper Junos OS Path Traversal Exploited High 8.8
• CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization Exploited Medium 6.7
• CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function Exploited Medium 5.3
• CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification Exploited Medium 5.3

All Juniper Junos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-62hx-72qc-gr7j.