How severe is CVE-2016-6436?

CVE-2016-6436 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-6436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6436?

CVE-2016-6436 primarily affects Cisco Hostscan Engine. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-6436 published?

CVE-2016-6436 was published on 2016-10-06 and last updated on 2026-06-17.

CVE-2016-6436

CVE-2016-6436 is a medium-severity vulnerability in Cisco Hostscan Engine with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Hostscan Engine
Published: 2016-10-06
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in HostScan Engine 3.0.08062 through 3.1.14018 in the Cisco Host Scan package, as used in ASA Web VPN, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka Bug ID CSCuz14682.

Frequently asked questions

What is CVE-2016-6436?: Cross-site scripting (XSS) vulnerability in HostScan Engine 3.0.08062 through 3.1.14018 in the Cisco Host Scan package, as used in ASA Web VPN, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, aka Bug ID CSCuz14682.
How severe is CVE-2016-6436?: CVE-2016-6436 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-6436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6436?: CVE-2016-6436 primarily affects Cisco Hostscan Engine. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-6436 published?: CVE-2016-6436 was published on 2016-10-06 and last updated on 2026-06-17.

References

Affected products (22)

cpe:2.3:a:cisco:hostscan_engine:3.0.08062:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.0.08066:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.01065:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.02016:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.02026:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.02040:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.02043:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.03103:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.03104:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.04060:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.04063:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.04075:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.04082:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05152:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05160:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05163:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05170:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05178:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05182:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.05183:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.06073:*:*:*:*:*:*:*
cpe:2.3:a:cisco:hostscan_engine:3.1.14018:*:*:*:*:*:*:*

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