CVE-2018-0297

Name: CVE-2018-0297
Creator: NVD / NIST
Published: 2018-05-17T03:29:00.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.23%

Last modified Jun 17, 2026

CVE-2018-0297 is a vulnerability of currently unknown severity. A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. An attacker could exploit this vulnerability by sending a crafted SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured SSL AC policy to block SSL traffic. Cisco Bug IDs: CSCvg09316.

Metrics

EPSS Probability

1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Firepower Threat Defense	6.0.0
Cisco	Firepower Threat Defense	6.1.0
Cisco	Firepower Threat Defense	6.2.0
Cisco	Firepower Threat Defense	6.2.2

References

http://www.securityfocus.com/bid/104197Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-firepwr-pbVendor Advisory
http://www.securityfocus.com/bid/104197Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-firepwr-pbVendor Advisory

Timeline

Published: May 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0297?

How severe is CVE-2018-0297?

Severity scoring for CVE-2018-0297 is pending analysis. The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0297?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0297?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST