HOMEVULNERABILITIESCVE-2015-4685
HIGHPOC

CVE-2015-4685

CWE-264Published: September 19, 2017· Updated: Jun 17, 2026

7.0
CVSS v3.1

Official Description

Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allows local users with access to the plcm account to gain privileges via a script in /var/polycom/cma/upgrade/scripts, related to a sudo misconfiguration.

NVD Source

Technical Analysis

CVE-2015-4685 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.0.

A proof-of-concept (PoC) exploit exists for CVE-2015-4685. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

polycom1 product(s)
realpresence resource manager
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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

ADVISORYhttp://packetstormsecurity.com/files/132463/Polycom-RealPresence-Resource-Manager-RPRM-Disclosure-Traversal.html
ADVISORYhttp://seclists.org/fulldisclosure/2015/Jun/81
ADVISORYhttp://www.securityfocus.com/bid/75432
ADVISORYhttps://support.polycom.com/global/documents/support/documentation/Security_Center_Post_for_RPRM_CVEs.pdf
ADVISORYhttps://www.exploit-db.com/exploits/37449/
ADVISORYhttp://packetstormsecurity.com/files/132463/Polycom-RealPresence-Resource-Manager-RPRM-Disclosure-Traversal.html
ADVISORYhttp://seclists.org/fulldisclosure/2015/Jun/81
ADVISORYhttp://www.securityfocus.com/bid/75432
ADVISORYhttps://support.polycom.com/global/documents/support/documentation/Security_Center_Post_for_RPRM_CVEs.pdf
ADVISORYhttps://www.exploit-db.com/exploits/37449/

All References (12)

→
http://packetstormsecurity.com/files/132463/Polycom-RealPresence-Resource-Manager-RPRM-Disclosure-Traversal.htmlThird Party Advisory · VDB Entry
→
http://seclists.org/fulldisclosure/2015/Jun/81Exploit · Mailing List · Third Party Advisory · VDB Entry
→
http://www.securityfocus.com/archive/1/535852/100/0/threaded
→
http://www.securityfocus.com/bid/75432Third Party Advisory · VDB Entry
→
https://support.polycom.com/global/documents/support/documentation/Security_Center_Post_for_RPRM_CVEs.pdfVendor Advisory
→
https://www.exploit-db.com/exploits/37449/Exploit · Third Party Advisory · VDB Entry
→
http://packetstormsecurity.com/files/132463/Polycom-RealPresence-Resource-Manager-RPRM-Disclosure-Traversal.htmlThird Party Advisory · VDB Entry
→
http://seclists.org/fulldisclosure/2015/Jun/81Exploit · Mailing List · Third Party Advisory · VDB Entry
→
http://www.securityfocus.com/archive/1/535852/100/0/threaded
→
http://www.securityfocus.com/bid/75432Third Party Advisory · VDB Entry
→
https://support.polycom.com/global/documents/support/documentation/Security_Center_Post_for_RPRM_CVEs.pdfVendor Advisory
→
https://www.exploit-db.com/exploits/37449/Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2015-4685
CVSS Score7.0 / 10
SeverityHIGH
WeaknessCWE-264
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedSep 19, 2017

Related CVEs (CWE-264)

CVE-2003-1495
10.0
CVE-2007-2435
10.0
CVE-2003-1081
10.0
CVE-2010-1505
10.0
CVE-2004-2689
10.0
CVE-2007-3455
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-4685 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.
← All Vulnerabilities·Search for CVE-2015-4685·NVD