XSS in Juniper Junos
CVE-2022-22242
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.028 (85.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.028 · change: +0.002
Affected products
- Juniper Junos — versions 19.1, 19.2, 19.3
- Juniper Networks Junos OS — versions unspecified, 19.2, 19.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.juniper.net/JSA69899 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-22242?
- CVE-2022-22242 is a medium-severity vulnerability in Juniper Junos, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-18.
- How severe is CVE-2022-22242?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2022-22242 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.