What is the CVSS score of CVE-2024-21798?

CVE-2024-21798 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.3%.

Wrc 1167Gs2 B Firmware CVE-2024-21798

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2024-02-28 vultures@jpcert.or.jp

XSS Wrc 1167Gs2 B Firmware Wrc 1167Gs2H B Firmware Wrc 1167Gst2 Firmware Wrc 2533Gs2 B Firmware Wrc 2533Gs2 W Firmware Wrc 2533Gs2V B Firmware Wrc 2533Gst2 Firmware Wrc X3200Gst3 B Firmware Wrc G01 W Firmware Wmc X1800Gst B Firmware

4.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Feb 28, 2024 - 23:15 nvd

MEDIUM 4.8

DescriptionNVD

ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user configures the affected product with specially crafted content. When another administrative user logs in and operates the product, an arbitrary script may be executed on the web browser. Note that WMC-X1800GST-B is also included in e-Mesh Starter Kit "WMC-2LX-B".

AnalysisAI

ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. ELECOM wireless LAN routers contain a cross-site scripting vulnerability. Assume that a malicious administrative user configures the affected product with specially crafted content. When another administrative user logs in and operates the product, an arbitrary script may be executed on the web browser. Note that WMC-X1800GST-B is also included in e-Mesh Starter Kit "WMC-2LX-B". Affected products include: Elecom Wrc-1167Gs2-B Firmware, Elecom Wrc-1167Gs2H-B Firmware, Elecom Wrc-1167Gst2 Firmware, Elecom Wrc-2533Gs2-B Firmware, Elecom Wrc-2533Gs2-W Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.