How severe is CVE-2019-1696?

CVE-2019-1696 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-2019-1696 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1696?

CVE-2019-1696 primarily affects Cisco Secure Firewall Management Center. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-1696?

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-2019-1696 published?

CVE-2019-1696 was published on 2019-05-03 and last updated on 2026-06-17.

CVE-2019-1696

CVE-2019-1696 is a high-severity vulnerability in Cisco Secure Firewall Management Center 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 3.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Cisco Secure Firewall Management Center
Published: 2019-05-03
Last modified: 2026-06-17

Description

Multiple vulnerabilities in the Server Message Block (SMB) Protocol preprocessor detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, adjacent or remote attacker to cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

Frequently asked questions

What is CVE-2019-1696?: Multiple vulnerabilities in the Server Message Block (SMB) Protocol preprocessor detection engine for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, adjacent or remote attacker to cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.
How severe is CVE-2019-1696?: CVE-2019-1696 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-2019-1696 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1696?: CVE-2019-1696 primarily affects Cisco Secure Firewall Management Center. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-1696?: 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-2019-1696 published?: CVE-2019-1696 was published on 2019-05-03 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:cisco:secure_firewall_management_center:2.9.8:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.9.9:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.9.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.9.11:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.9.12:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_firewall_management_center:2.9.13:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Secure Firewall Management Center

CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2024-20424 — Critical (CVSS 9.9): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software,…
CVE-2023-20048 — Critical (CVSS 9.9): A vulnerability in the web services interface of Cisco Firepower Management Center (FMC) Software could allow an…
CVE-2019-16028 — Critical (CVSS 9.8): A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an…
CVE-2020-3318 — Critical (CVSS 9.8): Multiple vulnerabilities in Cisco Firepower Management Center (FMC) Software and Cisco Firepower User Agent Software…

All CVEs affecting Cisco Secure Firewall Management Center →

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →