What is the CVSS score of CVE-2022-21238?

CVE-2022-21238 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2022-21238?

Yes, a public proof-of-concept exploit is available for CVE-2022-21238. Prioritise patching immediately. EPSS: 1.4%.

Inrouter302 Firmware CVE-2022-21238

MEDIUM

Basic XSS (CWE-80)

2022-05-12 talos-cna@cisco.com

XSS Inrouter302 Firmware

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

May 12, 2022 - 17:15 nvd

MEDIUM 6.1

DescriptionNVD

A cross-site scripting (xss) vulnerability exists in the info.jsp functionality of InHand Networks InRouter302 V3.5.4. A specially-crafted HTTP request can lead to arbitrary Javascript execution. An attacker can send an HTTP request to trigger this vulnerability.

AnalysisAI

A cross-site scripting (xss) vulnerability exists in the info.jsp functionality of InHand Networks InRouter302 V3.5.4. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-80. A cross-site scripting (xss) vulnerability exists in the info.jsp functionality of InHand Networks InRouter302 V3.5.4. A specially-crafted HTTP request can lead to arbitrary Javascript execution. An attacker can send an HTTP request to trigger this vulnerability. Affected products include: Inhandnetworks Inrouter302 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.