Home/CVE/An XPath Injection vulnerability in the J-Web component of Juniper Networks Junos OS allows an unauthenticated attacker
CVE

CVE-2022-22244

An XPath Injection vulnerability in the J-Web component of Juniper Networks Junos OS allows an unauthenticated attacker

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.

MEDIUM · CVSS 5.3 EPSS 0.00947
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-91XML Injection (aka Blind XPath Injection)
CWE-91XML Injection (aka Blind XPath Injection)
▤

Affected Products & Versions

2
juniper junos< 19.1
juniper junosall versions
◈

Detection Rules (IDS/IPS)

1
et-openET MALWARE Potential Juniper XPATH Injection Attempt (CVE-2022-22244)trojan-activity
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · sirt@juniper.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Oct 2022 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.juniper.net/JSA69899Vendor Advisory
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