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CVE-2016-1389

20
FAUCET Score

CVE-2016-1389 describes an open redirect vulnerability in Cisco WebEx Meetings Server (CWMS) version 2.6. This flaw allows remote attackers to redirect users to arbitrary malicious websites, facilitating phishing attacks. With a CVSS score of 7.4 (High), the vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction to succeed, and primarily impacts integrity. While there is no evidence of active exploitation, publicly available exploit code, or inclusion in the KEV catalog, the vulnerability has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:a:cisco:webex_meetings_server:2.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
67.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 67th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-cwms
Vendor Advisory
securitytracker.com / id/1035703