01 Record
CVE-2025-20215
Cisco Webex Meeting Client Join Certificate Validation Vulnerability
MediumPUBLISHEDCNA: cisco
CNA base score5.4 CVSS v3.xCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
02 Description
Cisco Webex Meeting Client Join Certificate Validation Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.5% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-08-06 16:17Z1 YR AGO
- Last updated
- 2025-08-06 17:34Z1 YR AGO
- Reserved
- 2024-10-10
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.4)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-295Improper Certificate ValidationBase
- Data version
- 5.1
- Document digest
- bcc70157b730ac28d30abb1567cb0247e2dec0b5181de146f2e140cff885b93e
05 Affected products
VendorProductVersionsPlatforms
06 References
- sec.cloudapps.cisco.comcisco-sa-webex-join-yNXfqHk4https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-join-yNXfqHk4