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CVE-2015-4683

37
FAUCET Score

CVE-2015-4683 details a critical vulnerability in Polycom RealPresence Resource Manager (RPRM) versions prior to 8.4. This flaw allows attackers to obtain sensitive information and potentially escalate privileges by exploiting the use of session identifiers within HTTP GET requests. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with no authentication required, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists (EDB-37449), though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.3.2CPE matchmatch criteria
cpe:2.3:a:polycom:realpresence_resource_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.87%
Probability of exploitation in next 30 days
EPSS Percentile
93.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-37449 · Jun 30, 2015
This CVE's current EPSS score of 0.0687 is in the 88th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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