How severe is CVE-2016-1368?

CVE-2016-1368 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 none, and availability high.

Is CVE-2016-1368 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1368?

CVE-2016-1368 primarily affects Cisco Firesight System Software. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1368?

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-2016-1368 published?

CVE-2016-1368 was published on 2016-05-05 and last updated on 2026-06-17.

CVE-2016-1368

CVE-2016-1368 is a high-severity vulnerability in Cisco Firesight System Software 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-399.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Firesight System Software
Published: 2016-05-05
Last modified: 2026-06-17

Description

Cisco FirePOWER System Software 5.3.x through 5.3.0.6 and 5.4.x through 5.4.0.3 on FirePOWER 7000 and 8000 appliances, and on the Advanced Malware Protection (AMP) for Networks component on these appliances, allows remote attackers to cause a denial of service (packet-processing outage) via crafted packets, aka Bug ID CSCuu86214.

Frequently asked questions

What is CVE-2016-1368?: Cisco FirePOWER System Software 5.3.x through 5.3.0.6 and 5.4.x through 5.4.0.3 on FirePOWER 7000 and 8000 appliances, and on the Advanced Malware Protection (AMP) for Networks component on these appliances, allows remote attackers to cause a denial of service (packet-processing outage) via crafted packets, aka Bug ID CSCuu86214.
How severe is CVE-2016-1368?: CVE-2016-1368 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 none, and availability high.
Is CVE-2016-1368 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1368?: CVE-2016-1368 primarily affects Cisco Firesight System Software. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1368?: 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-2016-1368 published?: CVE-2016-1368 was published on 2016-05-05 and last updated on 2026-06-17.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160504-firepower

Affected products (28)

cpe:2.3:a:cisco:firesight_system_software:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.2.0.8:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firesight_system_software:5.3.1.7:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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