How severe is CVE-2016-9202?

CVE-2016-9202 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-2016-9202 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9202?

CVE-2016-9202 primarily affects Cisco Email Security Appliance. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9202?

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

When was CVE-2016-9202 published?

CVE-2016-9202 was published on 2016-12-14 and last updated on 2026-06-17.

CVE-2016-9202

CVE-2016-9202 is a medium-severity vulnerability in Cisco Email Security Appliance 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% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Email Security Appliance
Published: 2016-12-14
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco Email Security Appliance (ESA) Switches could allow an unauthenticated, remote attacker to conduct a persistent cross-site scripting (XSS) attack against a user of the affected interface on an affected device. More Information: CSCvb37346. Known Affected Releases: 9.1.1-036 9.7.1-066.

Frequently asked questions

What is CVE-2016-9202?: A vulnerability in the web-based management interface of Cisco Email Security Appliance (ESA) Switches could allow an unauthenticated, remote attacker to conduct a persistent cross-site scripting (XSS) attack against a user of the affected interface on an affected device. More Information: CSCvb37346. Known Affected Releases: 9.1.1-036 9.7.1-066.
How severe is CVE-2016-9202?: CVE-2016-9202 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-2016-9202 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9202?: CVE-2016-9202 primarily affects Cisco Email Security Appliance. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9202?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9202 published?: CVE-2016-9202 was published on 2016-12-14 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:cisco:email_security_appliance:9.1.1-036:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.1.2-023:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.1.2-028:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.1.2-036:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.4.4-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.5.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.5.0-201:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.6.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.6.0-042:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.6.0-051:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.7.0-125:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.7.1-066:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.7.2-046:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.7.2-047:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:9.7.2-054:*:*:*:*:*:*:*

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