What is the CVSS score of CVE-2014-9021?

CVE-2014-9021 has a CVSS 2.0 base score of 4.3 (Medium). CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2014-9021?

Yes, a public proof-of-concept exploit is available for CVE-2014-9021. Prioritise patching immediately. EPSS: 0.3%.

Zxdsl 831 CVE-2014-9021

MEDIUM

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

2014-11-20 cve@mitre.org

XSS Zte Zxdsl 831

4.3

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector

Network

Attack Complexity

Confidentiality

None

Integrity

Availability

None

Lifecycle Timeline

CVE Published

Nov 20, 2014 - 17:50 cve.org

MEDIUM 4.3

DescriptionCVE.org

Multiple cross-site scripting (XSS) vulnerabilities in ZTE ZXDSL 831 allow remote attackers to inject arbitrary web script or HTML via the (1) tr69cAcsURL, (2) tr69cAcsUser, (3) tr69cAcsPwd, (4) tr69cConnReqPwd, or (5) tr69cDebugEnable parameter to the TR-069 client page (tr69cfg.cgi); the (6) timezone parameter to the Time and date page (sntpcfg.sntp); or the (7) hostname parameter in a save action to the Quick Stats page (psilan.cgi). NOTE: this issue was SPLIT from CVE-2014-9020 per ADT1 due to different affected products and codebases.

AnalysisAI

Multiple cross-site scripting (XSS) vulnerabilities in ZTE ZXDSL 831 allow remote attackers to inject arbitrary web script or HTML via the (1) tr69cAcsURL, (2) tr69cAcsUser, (3) tr69cAcsPwd, (4). Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. 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. Multiple cross-site scripting (XSS) vulnerabilities in ZTE ZXDSL 831 allow remote attackers to inject arbitrary web script or HTML via the (1) tr69cAcsURL, (2) tr69cAcsUser, (3) tr69cAcsPwd, (4) tr69cConnReqPwd, or (5) tr69cDebugEnable parameter to the TR-069 client page (tr69cfg.cgi); the (6) timezone parameter to the Time and date page (sntpcfg.sntp); or the (7) hostname parameter in a save action to the Quick Stats page (psilan.cgi). NOTE: this issue was SPLIT from CVE-2014-9020 per ADT1 due to different affected products and codebases. Affected products include: Zteusa Zxdsl 831.

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.