How severe is CVE-2025-20326?

CVE-2025-20326 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-20326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20326?

CVE-2025-20326 primarily affects Cisco Unified Communications Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-20326?

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

Does CVE-2025-20326 have an EU (EUVD) identifier?

Yes. CVE-2025-20326 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26610.

When was CVE-2025-20326 published?

CVE-2025-20326 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2025-20326

CVE-2025-20326 is a medium-severity vulnerability in Cisco Unified Communications Manager with a CVSS 3.x base score of 4.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26610
Weakness: CWE-352
Affected product: Cisco Unified Communications Manager
Published: 2025-09-03
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) Software and Cisco Unified CM Session Management Edition (SME) Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected device. This vulnerability is due to insufficient CSRF protections for the web-based management interface on an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user.

Frequently asked questions

What is CVE-2025-20326?: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) Software and Cisco Unified CM Session Management Edition (SME) Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected device. This vulnerability is due to insufficient CSRF protections for the web-based management interface on an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user.
How severe is CVE-2025-20326?: CVE-2025-20326 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-20326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20326?: CVE-2025-20326 primarily affects Cisco Unified Communications Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-20326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20326 have an EU (EUVD) identifier?: Yes. CVE-2025-20326 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26610.
When was CVE-2025-20326 published?: CVE-2025-20326 was published on 2025-09-03 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-csrf-w762pRYd

Affected products (3)

cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:12.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_communications_manager:14.0:*:*:*:*:*:*:*

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