What is the CVSS score of CVE-2020-25890?

CVE-2020-25890 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: 1.5%.

Is there a public PoC exploit available for CVE-2020-25890?

Yes, a public proof-of-concept exploit is available for CVE-2020-25890. Prioritise patching immediately. EPSS: 1.5%.

Ecosys M2640Idw Firmware CVE-2020-25890

MEDIUM

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

2020-11-17 cve@mitre.org

XSS Ecosys M2640Idw 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

Nov 17, 2020 - 21:15 nvd

MEDIUM 6.1

DescriptionNVD

The web application of Kyocera printer (ECOSYS M2640IDW) is affected by Stored XSS vulnerability, discovered in the addition a new contact in "Machine Address Book". Successful exploitation of this vulnerability can lead to session hijacking of the administrator in the web application or the execution of unwanted actions

AnalysisAI

The web application of Kyocera printer (ECOSYS M2640IDW) is affected by Stored XSS vulnerability, discovered in the addition a new contact in "Machine Address Book". 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 as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The web application of Kyocera printer (ECOSYS M2640IDW) is affected by Stored XSS vulnerability, discovered in the addition a new contact in "Machine Address Book". Successful exploitation of this vulnerability can lead to session hijacking of the administrator in the web application or the execution of unwanted actions Affected products include: Kyocera Ecosys M2640Idw 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.