CVE-2024-21620

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and EX Series allows an attacker to construct a URL that when visited by another user enables the attacker to execute commands with the target's permissions, including an administrator. A specific invocation of the emit_debug_note method in webauth_operation.php will echo back the data it receives. This issue affects Juniper Networks Junos OS on SRX Series and EX Series: * All versions earlier than 20.4R3-S10; * 21.2 versions earlier than 21.2R3-S8; * 21.4 versions earlier than 21.4R3-S6; * 22.1 versions earlier than 22.1R3-S5; * 22.2 versions earlier than 22.2R3-S3; * 22.3 versions earlier than 22.3R3-S2; * 22.4 versions earlier than 22.4R3-S1; * 23.2 versions earlier than 23.2R2; * 23.4 versions earlier than 23.4R2. It has a CVSS v3.1 base score of 8.8 (HIGH).

CVE-2024-21620 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

CVE-2024-21620 affects products from juniper, specifically: ex2200, ex2200-c, ex2200-vc, ex2300, ex2300-24mp, ex2300-24p, ex2300-24t, ex2300-48mp, ex2300-48p, ex2300-48t, ex2300-c, ex2300_multigigabit, ex2300m, ex3200, ex3300, ex3300-vc, ex3400, ex4100, ex4100-f, ex4100_multigigabit, ex4200, ex4200-vc, ex4300, ex4300-24p, ex4300-24p-s, ex4300-24t, ex4300-24t-s, ex4300-32f, ex4300-32f-dc, ex4300-32f-s, ex4300-48mp, ex4300-48mp-s, ex4300-48p, ex4300-48p-s, ex4300-48t, ex4300-48t-afi, ex4300-48t-dc, ex4300-48t-dc-afi, ex4300-48t-s, ex4300-48tafi, ex4300-48tdc, ex4300-48tdc-afi, ex4300-mp, ex4300-vc, ex4300_multigigabit, ex4300m, ex4400, ex4400-24x, ex4400_multigigabit, ex4500, ex4500-vc, ex4550, ex4550-vc, ex4550\/vc, ex4600, ex4600-vc, ex4650, ex6200, ex6210, ex8200, ex8200-vc, ex8208, ex8216, ex9200, ex9204, ex9208, ex9214, ex9250, ex9251, ex9253, ex_redundant_power_system, ex_rps, junos, srx100, srx110, srx1400, srx1500, srx1600, srx210, srx220, srx2300, srx240, srx240h2, srx240m, srx300, srx320, srx340, srx3400, srx345, srx3600, srx380, srx4000, srx4100, srx4200, srx4300, srx4600, srx4700, srx5000, srx5400, srx550, srx550_hm, srx550m, srx5600, srx5800, srx650. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.