CVE-2021-26596
Published: 25 March 2021
Summary
CVE-2021-26596 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Nokia Netact. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 42.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13394
Vulnerability details
An issue was discovered in Nokia NetAct 18A. A malicious user can change a filename of an uploaded file to include JavaScript code, which is then stored and executed by a victim's web browser. The most common mechanism for delivering…
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malicious content is to include it as a parameter in a URL that is posted publicly or e-mailed directly to victims. Here, the /netact/sct filename parameter is used.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.