CVE-2022-22242

critical-risk
Published 2022-10-18

A Cross-site Scripting (XSS) vulnerability in the J-Web component of Juniper Networks Junos OS allows an unauthenticated attacker to run malicious scripts reflected off of J-Web to the victim's browser in the context of their session within J-Web. 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-S4; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R2.

Do I need to act?

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62.1% chance of exploitation in next 30 days
EPSS score — higher than 38% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Vendors

References (2)

75
/ 100
critical-risk
Severity 23/34 · High
Exploitability 19/34 · Moderate
Exposure 33/34 · Critical