Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allows man-in-the-middle attackers to obtain sensitive credential information by leveraging failure to validate X.509 certificates when used with an on-premise installation with Skype for Business
Published Oct 24, 2018
5.9
MEDIUMCVSS 3.1
EPSS 0.73%
Description
Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allows man-in-the-middle attackers to obtain sensitive credential information by leveraging failure to validate X.509 certificates when used with an on-premise installation with Skype for Business.
Affected products
No data.
Configuration 1
- ≤ 5.8.0.12848
Configuration 2
- n/a
Configuration 3
- n/a
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.73% (0.00734) | 52.70th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.73% (0.00734) | 52.91th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.21% (0.00205) | 58.94th | v3 (v2023.03.01) |
| Jun 6, 2024 | 0.21% (0.00205) | 58.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.20% (0.00204) | 56.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://seclists.org/bugtraq/2018/Oct/36 mailing-listx_refsource_BUGTRAQExploitMailing ListThird Party Advisory
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-027.txt x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://seclists.org/bugtraq/2018/Oct/36 | mailing-listx_refsource_BUGTRAQExploitMailing ListThird Party Advisory | |
| https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-027.txt | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.