How severe is CVE-2025-20246?

CVE-2025-20246 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-20246 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20246?

CVE-2025-20246 affects Cisco Webex Meetings. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-20246?

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

Does CVE-2025-20246 have an EU (EUVD) identifier?

Yes. CVE-2025-20246 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16042.

When was CVE-2025-20246 published?

CVE-2025-20246 was published on 2025-05-21 and last updated on 2026-06-17.

CVE-2025-20246

CVE-2025-20246 is a medium-severity vulnerability in Cisco Webex Meetings with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16042
Weakness: CWE-79
Affected product: Cisco Webex Meetings
Published: 2025-05-21
Last modified: 2026-06-17

Description

A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. A successful exploit could allow the attacker to conduct a cross-site scripting attack against the targeted user.

Frequently asked questions

What is CVE-2025-20246?: A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. A successful exploit could allow the attacker to conduct a cross-site scripting attack against the targeted user.
How severe is CVE-2025-20246?: CVE-2025-20246 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-20246 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20246?: CVE-2025-20246 affects Cisco Webex Meetings. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-20246?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20246 have an EU (EUVD) identifier?: Yes. CVE-2025-20246 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16042.
When was CVE-2025-20246 published?: CVE-2025-20246 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-webex-xss-7teQtFn8

Affected products (1)

cpe:2.3:a:cisco:webex_meetings:-:*:*:*:*:*:*:*

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