MEDIUM
CVE-2018-18566
CWE-200Published: October 24, 2018· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2018-18566 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
polycom5 product(s)
unified communications softwarevvx 601 firmwarevvx 601vvx 500 firmwarevvx 500
Source: NVD CPE · 5 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
http://www.securityfocus.com/bid/105746Third Party Advisory · VDB Entry
→
https://seclists.org/bugtraq/2018/Oct/33Exploit · Mailing List · Third Party Advisory
→
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-028.txtExploit · Third Party Advisory
→
http://www.securityfocus.com/bid/105746Third Party Advisory · VDB Entry
→
https://seclists.org/bugtraq/2018/Oct/33Exploit · Mailing List · Third Party Advisory
→
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-028.txtExploit · Third Party Advisory
Quick Facts
CVE IDCVE-2018-18566
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedOct 24, 2018
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-18566 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.