How severe is CVE-2016-1345?

CVE-2016-1345 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-1345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1345?

CVE-2016-1345 primarily affects Cisco Asa With Firepower Services. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1345?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-1345 published?

CVE-2016-1345 was published on 2016-04-01 and last updated on 2026-06-17.

CVE-2016-1345

CVE-2016-1345 is a high-severity vulnerability in Cisco Asa With Firepower Services with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Asa With Firepower Services
Published: 2016-04-01
Last modified: 2026-06-17

Description

Cisco FireSIGHT System Software 5.4.0 through 6.0.1 and ASA with FirePOWER Services 5.4.0 through 6.0.0.1 allow remote attackers to bypass malware protection via crafted fields in HTTP headers, aka Bug ID CSCux22726.

Frequently asked questions

What is CVE-2016-1345?: Cisco FireSIGHT System Software 5.4.0 through 6.0.1 and ASA with FirePOWER Services 5.4.0 through 6.0.0.1 allow remote attackers to bypass malware protection via crafted fields in HTTP headers, aka Bug ID CSCux22726.
How severe is CVE-2016-1345?: CVE-2016-1345 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-1345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1345?: CVE-2016-1345 primarily affects Cisco Asa With Firepower Services. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1345?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1345 published?: CVE-2016-1345 was published on 2016-04-01 and last updated on 2026-06-17.

References

Affected products (23)

cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:5.4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asa_with_firepower_services:6.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:6.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:6.0.1:*:*:*:*:*:*:*

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