How severe is CVE-2016-1312?

CVE-2016-1312 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-2016-1312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1312?

CVE-2016-1312 affects Cisco Asa 5500 Csc-ssm Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1312?

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-2016-1312 published?

CVE-2016-1312 was published on 2016-03-09 and last updated on 2026-06-17.

CVE-2016-1312

CVE-2016-1312 is a high-severity vulnerability in Cisco Asa 5500 Csc-ssm Firmware 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Cisco Asa 5500 Csc-ssm Firmware
Published: 2016-03-09
Last modified: 2026-06-17

Description

The HTTPS inspection engine in the Content Security and Control Security Services Module (CSC-SSM) 6.6 before 6.6.1164.0 for Cisco ASA 5500 devices allows remote attackers to cause a denial of service (memory consumption or device reload) via a flood of HTTPS packets, aka Bug ID CSCue76147.

Frequently asked questions

What is CVE-2016-1312?: The HTTPS inspection engine in the Content Security and Control Security Services Module (CSC-SSM) 6.6 before 6.6.1164.0 for Cisco ASA 5500 devices allows remote attackers to cause a denial of service (memory consumption or device reload) via a flood of HTTPS packets, aka Bug ID CSCue76147.
How severe is CVE-2016-1312?: CVE-2016-1312 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-2016-1312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1312?: CVE-2016-1312 affects Cisco Asa 5500 Csc-ssm Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1312?: 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-2016-1312 published?: CVE-2016-1312 was published on 2016-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:asa_5500_csc-ssm_firmware:6.6.1125.0:*:*:*:*:*:*:*

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