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Vulnerability record · CVE-2015-4685 · published 19 September 2017

CVE-2015-4685: Polycom realpresence resource manager permissions and access controls vulnerability

PPolycom · Realpresence Resource Manager

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.

7.0 CVSS 3.0 High EPSS 1.2% · top 32.9% CWE-264 · Permissions and access controls
7.0CVSS 3.0 base score, v2 4.4
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/132463/Polycom-RealPresence-Resource-Manager-RPRM-Disclosure-Traversal.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/Jun/81 ExploitMailing ListThird Party AdvisoryVDB Entry
http://www.securityfocus.com/archive/1/535852/100/0/threaded
http://www.securityfocus.com/bid/75432 Third Party AdvisoryVDB Entry
https://support.polycom.com/global/documents/support/documentation/Security_Center_Post_for_RPRM_CVEs.pdf Vendor Advisory
https://www.exploit-db.com/exploits/37449/ ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/132463/Polycom-RealPresence-Resource-Manager-RPRM-Disclosure-Traversal.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/Jun/81 ExploitMailing ListThird Party AdvisoryVDB Entry
http://www.securityfocus.com/archive/1/535852/100/0/threaded
http://www.securityfocus.com/bid/75432 Third Party AdvisoryVDB Entry
https://support.polycom.com/global/documents/support/documentation/Security_Center_Post_for_RPRM_CVEs.pdf Vendor Advisory
https://www.exploit-db.com/exploits/37449/ ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2015-4683Polycom realpresence resource manager permissions and access controls vulnerabilityPolycom RealPresence Resource Manager (aka RPRM) before 8.4 allows attackers to obtain sensitive information and potentially gain privileges by lever…EPSS 6.9%7.8CVE-2015-4681Polycom realpresence resource manager vulnerabilityPolycom RealPresence Resource Manager (aka RPRM) before 8.4 allows local users to have unspecified impact via vectors related to weak passwords.EPSS 1.7%6.5CVE-2015-4682Polycom realpresence resource manager information exposure vulnerabilityPolycom RealPresence Resource Manager (aka RPRM) before 8.4 allows remote authenticated users to obtain the installation path via an HTTP POST reques…EPSS 5.2%6.5CVE-2015-4684Polycom realpresence resource manager vulnerabilityMultiple directory traversal vulnerabilities in Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allow (1) remote authenticated users to r…EPSS 4.9%5.1CVE-2015-3246libuser userhelper direct /etc/passwd write race conditionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used by the userhelper program in the usermode package, modifies /etc/passwd directly instead of …KEVEPSS 8.8%analysed6.6CVE-2015-1769Windows Mount Manager symlink mishandling allows local privilege escalationThe Windows Mount Manager mishandles symbolic links, allowing a crafted USB device to trigger arbitrary code execution. Because the flaw is in a core…KEVEPSS 4.1%analysed7.8CVE-2016-3643SolarWinds Virtualization Manager sudo misconfiguration privilege escalationSolarWinds Virtualization Manager 6.3.1 and earlier ship with a misconfigured sudo policy that lets a local user run privileged commands, as shown by…KEVEPSS 3.7%analysed

Source: NIST National Vulnerability Database (record CVE-2015-4685), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.