Junos OS: Unauthenticated XPath Injection vulnerability in J-Web

Description

An XPath Injection vulnerability in the J-Web component of Juniper Networks Junos OS allows an unauthenticated attacker sending a crafted POST to reach the XPath channel, 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 19.4R3-S9; 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-S3; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R1-S2, 21.4R2; 22.1 versions prior to 22.1R1-S1, 22.1R2.

Scores

EPSS (exploitation in 30 days)

0.61% · top 50% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

• CWE-91 XML Injection (aka Blind XPath Injection) (opens in a new tab)All about CWE-91 and its CVEs

Affected products

• Juniper Networks · Junos OS

  • affected unspecified – < 19.1R3-S9
  • affected 19.2 – < 19.2R3-S6
  • affected 19.3 – < 19.3R3-S7
  • affected 19.4 – < 19.4R3-S9
  • affected 20.1 – < 20.1R3-S5
  • affected 20.2 – < 20.2R3-S5
  • affected 20.3 – < 20.3R3-S5
  • affected 20.4 – < 20.4R3-S4
  • affected 21.1 – < 21.1R3-S3
  • affected 21.2 – < 21.2R3-S1
  • affected 21.3 – < 21.3R3
  • affected 21.4 – < 21.4R1-S2, 21.4R2
  • affected 22.1 – < 22.1R1-S1, 22.1R2

What to do

Solution: The following software releases have been updated to resolve this specific issue: Junos OS 19.1R3-S9, 19.2R3-S6, 19.3R3-S7, 19.4R3-S9, 20.1R3-S5, 20.2R3-S5, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S1, 21.3R3, 21.4R1-S2, 21.4R2, 22.1R1-S1, 22.1R2, 22.2R1, and all subsequent releases.

Workaround: Disable J-Web, or limit access to only trusted hosts.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

References (1)

• https://kb.juniper.net/JSA69899 (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2022-22244](https://trackcve.app/badge/CVE-2022-22244.svg)](https://trackcve.app/cve/CVE-2022-22244)

Record last updated 9 May 2025, 15:36 UTC.