Cyber Resilience

CVE-2021-1599

Medium

Published: 22 July 2021

Published
22 July 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:L
EPSS Score 0.0032 55.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1599 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Cisco Unified Customer Voice Portal. Its CVSS base score is 5.4 (Medium).

Operationally, ranked in the top 44.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in the web-based management interface of Cisco Unified Customer Voice Portal (CVP) could allow an authenticated, remote attacker to perform a cross-site scripting (XSS) attack against a user. This vulnerability is due to insufficient input validation of a…

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parameter that is used by the web-based management interface. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute arbitrary code in the context of the interface, access sensitive, browser-based information, or cause an affected device to reboot under certain conditions.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
unified customer voice portal
≤ 12.5\(1\)

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.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References