Is CVE-2015-4684 in the CISA KEV catalog?

No. CVE-2015-4684 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4684?

CVE-2015-4684 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2015-4684?

CVE-2015-4684 has an EPSS score of 4.93% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2015-4684?

No published fix for CVE-2015-4684 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2015-4684

MEDIUMEPSS 91th pctl

6.5

CVSS v3

NVD

Description

Multiple directory traversal vulnerabilities in Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allow (1) remote authenticated users to read arbitrary files via a .. (dot dot) in the Modifier parameter to PlcmRmWeb/FileDownload; or remote authenticated administrators to upload arbitrary files via the (2) Filename or (3) SE_FNAME parameter to PlcmRmWeb/FileUpload or to read and remove arbitrary files via the (4) filePathName parameter in an importSipUriReservations SOAP request to PlcmRmWeb/JUserManager.

CWE-255

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

4.93%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Exploit2

Vendor Advisory1

support.polycom.com

Third-Party Advisory2

Other references1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.