How severe is CVE-2016-1411?

CVE-2016-1411 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-1411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1411?

CVE-2016-1411 primarily affects Cisco Content Security Management 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-2016-1411?

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

When was CVE-2016-1411 published?

CVE-2016-1411 was published on 2016-12-14 and last updated on 2026-06-17.

CVE-2016-1411

CVE-2016-1411 is a medium-severity vulnerability in Cisco Content Security Management Appliance with a CVSS 3.x base score of 5.9. 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-310.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Cisco Content Security Management Appliance
Published: 2016-12-14
Last modified: 2026-06-17

Description

A vulnerability in the update functionality of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), and Cisco Content Management Security Appliance (SMA) could allow an unauthenticated, remote attacker to impersonate the update server. More Information: CSCul88715, CSCul94617, CSCul94627. Known Affected Releases: 7.5.2-201 7.6.3-025 8.0.1-023 8.5.0-000 8.5.0-ER1-198 7.5.2-HP2-303 7.7.0-608 7.7.5-835 8.5.1-021 8.8.0-000 7.9.1-102 8.0.0-404 8.1.1-013 8.2.0-222. Known Fixed Releases: 8.0.2-069 8.0.2-074 8.5.7-042 9.1.0-032 8.5.2-027 9.6.1-019.

Frequently asked questions

What is CVE-2016-1411?: A vulnerability in the update functionality of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), and Cisco Content Management Security Appliance (SMA) could allow an unauthenticated, remote attacker to impersonate the update server. More Information: CSCul88715, CSCul94617, CSCul94627. Known Affected Releases: 7.5.2-201 7.6.3-025 8.0.1-023 8.5.0-000 8.5.0-ER1-198 7.5.2-HP2-303 7.7.0-608 7.7.5-835 8.5.1-021 8.8.0-000 7.9.1-102 8.0.0-404 8.1.1-013 8.2.0-222. Known Fixed Releases: 8.0.2-069 8.0.2-074 8.5.7-042 9.1.0-032 8.5.2-027 9.6.1-019.
How severe is CVE-2016-1411?: CVE-2016-1411 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-1411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1411?: CVE-2016-1411 primarily affects Cisco Content Security Management 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-2016-1411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-1411 published?: CVE-2016-1411 was published on 2016-12-14 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:cisco:content_security_management_appliance:9.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-004:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-031:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-033:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:9.1.0-103:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:9.6.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.5.2-201:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.5.2-hp2-303:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:7.6.3-025:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.0.1-023:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.0-er1-198:*:*:*:*:*:*:*
cpe:2.3:a:cisco:email_security_appliance:8.5.1-021:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.0-608:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.5-835:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:8.8.0-000:*:*:*:*:*:*:*

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