Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-4315

16
FAUCET Score

CVE-2015-4315 describes an XML External Entity (XXE) vulnerability in the Call Policy Configuration page of Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.3. This flaw allows authenticated remote attackers to read arbitrary files or trigger a denial of service by submitting a specially crafted XML document due to improper validation of external DTDs. With a CVSS score of 5.5, this vulnerability has a network attack vector and low attack complexity, requiring authentication for exploitation, leading to potential partial confidentiality and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
x8.5.3CPE matchmatch criteria
cpe:2.3:a:cisco:telepresence_video_communication_server_software:x8.5.3:*:*:*:expressway:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.5MEDIUM

AV:N/AC:L/Au:S/C:P/I:N/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.87%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0187 is in the 90th percentile among its peer group of 21,977 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/viewAlert.x
Vendor Advisory
securityfocus.com / bid/76352
securitytracker.com / id/1033283