Cyber Resilience

CVE-2024-20342

Cisco Secure Firewall Threat Defense ≤ 7.0.6.2

Published
23 October 2024
Modified
11 August 2026
Patch / advisory
View advisory
CVSS Score v3.1 5.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS Score 0.0053 42th percentile
Risk Priority 46 floored blend · peak EPSS

Summary

CVE-2024-20342 is a medium-severity Comparison Using Wrong Factors (CWE-1025) vulnerability in Cisco Secure Firewall Threat Defense. Its CVSS base score is 5.8 (Medium).

Operationally, ranked at the 42th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SA-15 (Development Process, Standards, and Tools) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limiting filter.  This vulnerability is due to an incorrect connection…

more

count comparison. An attacker could exploit this vulnerability by sending traffic through an affected device at a rate that exceeds a configured rate filter. A successful exploit could allow the attacker to successfully bypass the rate filter. This could allow unintended traffic to enter the network protected by the affected device.

CWE(s)
CWE-1025

Related Threats

CVEs Like This One

CVE-2024-20363Same product: Cisco Secure Firewall Threat Defense
CVE-2023-20083Same product: Cisco Secure Firewall Threat Defense
CVE-2023-20267Same product: Cisco Secure Firewall Threat Defense
CVE-2023-20031Same product: Cisco Secure Firewall Threat Defense
CVE-2023-20177Same product: Cisco Secure Firewall Threat Defense
CVE-2023-20070Same product: Cisco Secure Firewall Threat Defense
CVE-2024-20351Same product: Cisco Secure Firewall Threat Defense
CVE-2026-20017Same product: Cisco Secure Firewall Threat Defense
CVE-2024-20431Same product: Cisco Secure Firewall Threat Defense
CVE-2023-20270Same product: Cisco Secure Firewall Threat Defense

Affected Assets

cisco
snort
3.0.0.0 — 3.1.74.0
cisco
secure firewall threat defense
7.1.0, 7.3.0 · ≤ 7.0.6.2 · 7.2.0 — 7.2.6 · 7.4.0 — 7.4.2

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SA-11 Developer Testing and Evaluation good match

Developer testing and evaluation can discover incorrect comparison logic after implementation but does not stop the flaw from being written.

SA-15 Development Process, Standards, and Tools partial match

Requiring a documented development process and tools can embed standards that reduce introduction of erroneous comparison factors.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC activities such as code review and logic testing directly prevent incorrect comparison factors in code.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect incorrect comparison results during development and acceptance.

A.8.25 Secure development life cycle partial match
prevents

Secure development lifecycle includes requirements and reviews that can catch incorrect comparison logic.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify correct comparison criteria and validation rules.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly address proper comparison logic and factor selection.

References