The SIP service in Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allow remote…
Priority LOW 29CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
The SIP service in Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allow remote attackers to obtain sensitive phone configuration information by leveraging use with an on-premise installation with Skype for Business.
Why it matters now
EPSS 0.0275 86th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:polycom:unified_communications_software:*:*:*:*:*:*:*:* | up to 5.8.0.12848 | Vulnerable | Polycom |
| cpe:2.3:o:polycom:vvx_601_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Polycom |
| cpe:2.3:h:polycom:vvx_601:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Polycom |
| cpe:2.3:o:polycom:vvx_500_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Polycom |
| cpe:2.3:h:polycom:vvx_500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Polycom |
- cpe:2.3:o:polycom:unified_communications_software:*:*:*:*:*:*:*:* Versions up to 5.8.0.12848 Vulnerable ·Polycom
- cpe:2.3:o:polycom:vvx_601_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Polycom
- cpe:2.3:h:polycom:vvx_601:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Polycom
- cpe:2.3:o:polycom:vvx_500_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Polycom
- cpe:2.3:h:polycom:vvx_500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Polycom
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-18566
- 2026-10-03 Alias added: GHSA-xqq9-85qr-9f93
References
More Polycom Unified Communications Software vulnerabilities
- TI-2017-09520 Polycom SoundStation IP, VVX, and RealPresence Trio that are running software older than… CVSS 3.0HIGH 8.8
- TI-2019-09694 A vulnerability in the web-based management interface of VVX, Trio, SoundStructure… CVSS 3.0HIGH 8.3
- TI-2019-07979 VVX products using UCS software version 5.9.2 and earlier with Better Together over… CVSS 3.0MEDIUM 6.5
- TI-2019-07978 VVX products with software versions including and prior to, UCS 5.9.2 with Better… CVSS 3.0MEDIUM 6.8
- TI-2018-13132 Polycom VVX 500 and 601 devices 5.8.0.12848 and earlier allows man-in-the-middle… CVSS 3.1MEDIUM 5.9
Sources
- CVE-2018-18566 · CVE Program
- CVE-2018-18566 · NVD
- FIRST EPSS
- GHSA-xqq9-85qr-9f93 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences