Is CVE-2019-1669 in the CISA KEV catalog?

No. CVE-2019-1669 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-1669?

CVE-2019-1669 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2019-1669?

CVE-2019-1669 has an EPSS score of 1.25% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2019-1669?

No published fix for CVE-2019-1669 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2019-1669

HIGH

8.6

CVSS v3

NVD

Description

A vulnerability in the data acquisition (DAQ) component of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access control policies or cause a denial of service (DoS) condition. The vulnerability exists because the affected software improperly manages system memory resources when inspecting traffic. An attacker could exploit this vulnerability by generating specific traffic patterns for the software to inspect. A successful exploit could allow the attacker to exhaust system memory resources used for traffic inspection. Depending on the configuration, the FTD Software could fail open and cease to inspect traffic or fail closed and result in a DoS condition. This vulnerability may require manual intervention to restore the software.

CWE-693Protection Mechanism Failure

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Exploit Intelligence

1.25%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Third-Party Advisory1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.