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CVE-2016-6436

21
FAUCET Score

CVE-2016-6436 describes a cross-site scripting (XSS) vulnerability within the Cisco Host Scan package, specifically affecting HostScan Engine versions 3.0.08062 through 3.1.14018, as integrated into ASA Web VPN. This medium-severity vulnerability (CVSS 6.1) allows remote attackers to inject arbitrary web script or HTML through a crafted URL, requiring user interaction for successful exploitation. While it could lead to information disclosure and integrity compromise, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.08062CPE matchmatch criteria
cpe:2.3:a:cisco:hostscan_engine:3.0.08062:*:*:*:*:*:*:*
3.0.08066CPE matchmatch criteria
cpe:2.3:a:cisco:hostscan_engine:3.0.08066:*:*:*:*:*:*:*
3.1.01065CPE matchmatch criteria
cpe:2.3:a:cisco:hostscan_engine:3.1.01065:*:*:*:*:*:*:*
3.1.02016CPE matchmatch criteria
cpe:2.3:a:cisco:hostscan_engine:3.1.02016:*:*:*:*:*:*:*
3.1.02026CPE matchmatch criteria
cpe:2.3:a:cisco:hostscan_engine:3.1.02026:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 59th percentile among its peer group of 26,219 CVEs.

Social Chatter

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 0.1 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-20161005-chs
Vendor Advisory
securityfocus.com / bid/93407