How severe is CVE-2015-4683?

CVE-2015-4683 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-4683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4683?

CVE-2015-4683 affects Polycom Realpresence Resource Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4683?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-4683 published?

CVE-2015-4683 was published on 2017-09-19 and last updated on 2026-06-17.

CVE-2015-4683

CVE-2015-4683 is a critical-severity vulnerability in Polycom Realpresence Resource Manager with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Polycom Realpresence Resource Manager
Published: 2017-09-19
Last modified: 2026-06-17

Description

Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allows attackers to obtain sensitive information and potentially gain privileges by leveraging use of session identifiers as parameters with HTTP GET requests.

Frequently asked questions

What is CVE-2015-4683?: Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allows attackers to obtain sensitive information and potentially gain privileges by leveraging use of session identifiers as parameters with HTTP GET requests.
How severe is CVE-2015-4683?: CVE-2015-4683 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-4683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4683?: CVE-2015-4683 affects Polycom Realpresence Resource Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-4683 published?: CVE-2015-4683 was published on 2017-09-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:polycom:realpresence_resource_manager:*:*:*:*:*:*:*:*

More vulnerabilities in Polycom Realpresence Resource Manager

CVE-2015-4681 — High (CVSS 7.8): Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allows local users to have unspecified impact via vectors…
CVE-2015-4685 — High (CVSS 7.0): Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allows local users with access to the plcm account to gain…
CVE-2015-4684 — Medium (CVSS 6.5): Multiple directory traversal vulnerabilities in Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allow (1)…
CVE-2015-4682 — Medium (CVSS 6.5): Polycom RealPresence Resource Manager (aka RPRM) before 8.4 allows remote authenticated users to obtain the…

All CVEs affecting Polycom Realpresence Resource Manager →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →