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CVE-2016-6447

32
FAUCET Score

CVE-2016-6447 is a critical vulnerability affecting Cisco Meeting Server, Acano Server, and their associated Meeting Apps, allowing an unauthenticated, remote attacker to execute arbitrary code. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. Organizations using affected versions should prioritize patching to mitigate this high-risk vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.0CPE matchmatch criteria
cpe:2.3:a:cisco:meeting_app:1.8.0:*:*:*:*:*:*:*
1.9.0CPE matchmatch criteria
cpe:2.3:a:cisco:meeting_app:1.9.0:*:*:*:*:*:*:*
1.8_baseCPE matchmatch criteria
cpe:2.3:a:cisco:meeting_server:1.8_base:*:*:*:*:*:*:*
1.9.0CPE matchmatch criteria
cpe:2.3:a:cisco:meeting_server:1.9.0:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:meeting_server:2.0.0:*:*:*:*:*:*:*

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
3.08%
Probability of exploitation in next 30 days
EPSS Percentile
86.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0308 is in the 78th percentile among its peer group of 36,833 CVEs.

Social Chatter

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

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-cms
Vendor Advisory
securityfocus.com / bid/94073
securitytracker.com / id/1037180