A vulnerability in Cisco WebEx browser extensions for Google Chrome and Mozilla Firefox could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system
Published Jul 25, 2017
8.8
HIGHCVSS 3.0
EPSS 5.95%
Description
A vulnerability in Cisco WebEx browser extensions for Google Chrome and Mozilla Firefox could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system. This vulnerability affects the browser extensions for Cisco WebEx Meetings Server, Cisco WebEx Centers (Meeting Center, Event Center, Training Center, and Support Center), and Cisco WebEx Meetings when they are running on Microsoft Windows. The vulnerability is due to a design defect in the extension. An attacker who can convince an affected user to visit an attacker-controlled web page or follow an attacker-supplied link with an affected browser could exploit the vulnerability. If successful, the attacker could execute arbitrary code with the privileges of the affected browser. The following versions of the Cisco WebEx browser extensions are affected: Versions prior to 1.0.12 of the Cisco WebEx extension on Google Chrome, Versions prior to 1.0.12 of the Cisco WebEx extension on Mozilla Firefox. Cisco Bug IDs: CSCvf15012 CSCvf15020 CSCvf15030 CSCvf15033 CSCvf15036 CSCvf15037.
Affected products
- Vendor n/a Product Cisco WebEx Browser Extension Defaultn/a
- Version Cisco WebEx Browser ExtensionStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco WebEx Browser Extension | n/a |
|
- t30_base
- t31_base
- t32_base
- t30_base
- t31_base
- t32_base
- t30_base
- 1.1_base
- 1.5.1.6
- 1.5.1.131
- 1.5_base
- 2.0.1.107
- 2.0_base
- 2.5.1.5
- 2.5.1.29
- 2.5.99.2
- 2.5_base
- 2.6.0
- 2.6.1.39
- 2.7.1
- 2.7_base
- 2.8_base
- mr2
- mr3
- mr4
- mr5
- mr6
- mr7
- mr8
- mr9
- 1
- 1
- 2
- 3
- mr1
- mr2
- mr3
- mr4
- mr5
- mr6
- 1
- 1
- 1
- 2
- 3
- 4
- mr1
- mr2
- mr3
- 1
- 1
- 1
- 2
- mr1
- mr2
- 1
- 1
- t30_base
- t31_base
- t32_base
- t30_base
- t31_base
- t32_base
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:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.95% (0.05951) | 93.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.95% (0.05951) | 92.31th | v5 (v2026.06.15) |
| Mar 28, 2026 | 13.96% (0.13962) | 94.27th | v4 (v2025.03.14) |
| Nov 21, 2025 | 11.10% (0.11100) | 93.16th | v4 (v2025.03.14) |
| Nov 18, 2025 | 16.70% (0.16696) | 94.40th | v4 (v2025.03.14) |
| Sep 7, 2025 | 11.10% (0.11100) | 93.20th | v4 (v2025.03.14) |
| Mar 30, 2025 | 16.70% (0.16696) | 94.37th | v4 (v2025.03.14) |
| Mar 29, 2025 | 21.78% (0.21782) | 93.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.70% (0.16696) | 94.42th | v4 (v2025.03.14) |
| Jul 20, 2024 | 3.44% (0.03436) | 91.59th | v3 (v2023.03.01) |
| Jan 19, 2024 | 3.44% (0.03436) | 90.57th | v3 (v2023.03.01) |
| Aug 10, 2023 | 3.27% (0.03270) | 89.98th | v3 (v2023.03.01) |
| Jul 5, 2023 | 2.68% (0.02680) | 88.94th | v3 (v2023.03.01) |
| Jun 4, 2023 | 2.72% (0.02723) | 89.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.93% (0.03927) | 90.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.97% (0.04967) | 89.48th | v2 (v2022.01.01) |
| Apr 21, 2022 | 4.97% (0.04967) | 88.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.84% (0.04836) | 88.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.84% (0.04836) | 74.71th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.89% (0.02891) | 63.67th | v1 |
| Jan 6, 2022 | 2.89% (0.02891) | 63.32th | v1 |
| Sep 1, 2021 | 2.89% (0.02891) | 80.76th | v1 |
| Apr 14, 2021 | 2.89% (0.02891) | 0.00th | v1 |
References (5)
- http://www.securityfocus.com/bid/99614 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038909 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038910 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038911 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170717-webex x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99614 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038909 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038910 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038911 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170717-webex | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.