Cisco Webex Meetings Mobile (iOS) SSL Certificate Validation Vulnerability
Published Aug 21, 2019
5.9
MEDIUMCVSS 3.0
EPSS 0.87%
Description
A vulnerability in Cisco Webex Meetings Mobile (iOS) could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data by using an invalid Secure Sockets Layer (SSL) certificate. The vulnerability is due to insufficient SSL certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted SSL certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<=39.5
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco WebEx Meetings for iOS | n/a |
|
- ≥ 11.3 · ≤ 39.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Nov 21, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.87% (0.00870) | 57.36th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.87% (0.00870) | 57.26th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.13% (0.00126) | 47.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00131) | 46.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.85% (0.10855) | 88.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.44% (0.02445) | 54.79th | v1 |
| Jan 6, 2022 | 2.44% (0.02445) | 54.36th | v1 |
| Jan 5, 2022 | 0.56% (0.00556) | 34.90th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.56% (0.00556) | 0.00th | v1 |
References (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-webex-ssl-cert vendor-advisoryx_refsource_CISCOVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-webex-ssl-cert | vendor-advisoryx_refsource_CISCOVendor Advisory |
Change history (0)
No recorded changes yet.