How severe is CVE-2025-20242?

CVE-2025-20242 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-20242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20242?

CVE-2025-20242 affects Cisco Unified Contact Center Enterprise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-20242?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-20242 have an EU (EUVD) identifier?

Yes. CVE-2025-20242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16047.

When was CVE-2025-20242 published?

CVE-2025-20242 was published on 2025-05-21 and last updated on 2026-06-17.

CVE-2025-20242

CVE-2025-20242 is a medium-severity vulnerability in Cisco Unified Contact Center Enterprise with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16047
Weakness: CWE-284
Affected product: Cisco Unified Contact Center Enterprise
Published: 2025-05-21
Last modified: 2026-06-17

Description

A vulnerability in the Cloud Connect component of Cisco Unified Contact Center Enterprise (CCE) could allow an unauthenticated, remote attacker to read and modify data on an affected device. This vulnerability is due to a lack of proper authentication controls. An attacker could exploit this vulnerability by sending crafted TCP data to a specific port on an affected device. A successful exploit could allow the attacker to read or modify data on the affected device.

Frequently asked questions

What is CVE-2025-20242?: A vulnerability in the Cloud Connect component of Cisco Unified Contact Center Enterprise (CCE) could allow an unauthenticated, remote attacker to read and modify data on an affected device. This vulnerability is due to a lack of proper authentication controls. An attacker could exploit this vulnerability by sending crafted TCP data to a specific port on an affected device. A successful exploit could allow the attacker to read or modify data on the affected device.
How severe is CVE-2025-20242?: CVE-2025-20242 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-20242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20242?: CVE-2025-20242 affects Cisco Unified Contact Center Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-20242?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20242 have an EU (EUVD) identifier?: Yes. CVE-2025-20242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16047.
When was CVE-2025-20242 published?: CVE-2025-20242 was published on 2025-05-21 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-contcent-insuffacces-ArDOVhN8

Affected products (1)

cpe:2.3:a:cisco:unified_contact_center_enterprise:12.6\(2\)es2:*:*:*:*:*:*:*

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