CVE-2024-20540: A vulnerability in the web-based management interface of Cisco Unified Contact Center Management Portal (Unifi

Q: How do I fix CVE-2024-20540?

unified contact center management portal: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2024-20540 being exploited?

CVE-2024-20540 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-20540 affect?

CVE-2024-20540 affects unified contact center management portal. Severity is medium (CVSS 5.4). A vulnerability in the web-based management interface of Cisco Unified Contact Center Management Portal (Unified CCMP) could allow an authenticated, remote attacker with low privileges to conduct a stored cross-site scripting (XSS) attack a

Q: How urgent is CVE-2024-20540?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 5.4MITIGATE

CVE-2024-20540 is a medium-severity flaw (CVSS 5.4) affecting unified contact center management portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the web-based management interface of Cisco Unified Contact Center Management Portal (Unified CCMP) could allow an authenticated, remote attacker with low privileges to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by injecting

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-11-06
Last modified	2026-06-17

Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-06 17:15 UTCPublished CVE record published
2026-06-17 07:07 UTCUpdated Record last modified

cisco unified contact center management portal MITIGATE

Affected: < 12.6\(1\)_es14

Fixed in: 12.6\(1\)_es14

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy unified-contact-center-management-portal || rpm -q unified-contact-center-management-portal || unified-contact-center-management-portal --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-20540?

unified contact center management portal: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-20540 being exploited?

CVE-2024-20540 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-20540 affect?

CVE-2024-20540 affects unified contact center management portal. Severity is medium (CVSS 5.4). A vulnerability in the web-based management interface of Cisco Unified Contact Center Management Portal (Unified CCMP) could allow an authenticated, remote attacker with low privileges to conduct a stored cross-site scripting (XSS) attack a

How urgent is CVE-2024-20540?

Priority 24/100. No elevated risk signals yet.

Software pages

Cisco vulnerabilities · Ubiquiti vulnerabilities

Related CVEs

CVE-2024-20512 MEDIUM 6.1 MITIGATE A vulnerability in the web-based management interface of Cisco Unified Contact Center Management Portal (Unifi

References

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