CVE-2021-31373 describes a persistent Cross-Site Scripting (XSS) vulnerability in the J-Web interface of Juniper Networks Junos OS on SRX Series devices. This flaw allows an authenticated attacker to inject malicious scripts, potentially leading to the theft of sensitive data, credentials, or session hijacking. The vulnerability has a CVSS score of 5.4 (Medium), indicating a network-based attack with low complexity and requiring user interaction, resulting in low impact to confidentiality and integrity. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 18.2, < 18.2R3-S8CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 18.3, < 18.3R3-S5CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 18.4, < 18.4R3-S8CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 19.1, < 19.1R3-S5CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 20.2, < 20.2R3-S1CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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