CVE-2022-22243 Junos OS: XPath Injection vulnerability in J-Web

Medium 4.3 Published 18 Oct 2022 Updated 9 May 2025

Authenticated attackers can inject XPath commands in J-Web to partially compromise confidentiality, requiring an OS upgrade.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-22243?

CVE-2022-22243 is a medium-severity vulnerability in Juniper Junos, published on 18 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An XPath Injection vulnerability due to Improper Input Validation in the J-Web component of Juniper Networks Junos OS allows an authenticated attacker to add an XPath command to the XPath stream, which may allow chaining to other unspecified vulnerabilities, leading to a partial loss of confidentiality. This issue affects Juniper Networks Junos OS: all versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R2-S7, 19.4R3-S8; 20.1 versions prior to 20.1R3-S5; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R2-S2, 21.3R3; 21.4 versions prior to 21.4R1-S2, 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R1-S1, 22.1R2.

Weakness: CWE-91, CWE-20

Which versions are affected by CVE-2022-22243?

It affects 1 product.

Products include Juniper Junos.

How do I fix CVE-2022-22243?

No fix has been published for CVE-2022-22243 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-22243 being exploited?

There is no known exploitation of CVE-2022-22243 in the wild and no public exploit code.

All Juniper Junos vulnerabilities

Sources

Also known as GHSA-4cgg-mfwm-v63x.