5.8

CVE-2018-0297: cisco secure_firewall_threat_defense Protection Mechanism Failure

CVSS: 5.8v3.0MediumModified
Published 17-05-2018Last modified 29-11-2024
Open JSON

Vulnerability summary

CVE-2018-0297 is a medium (CVSS 5.8) Protection Mechanism Failure vulnerability in cisco secure_firewall_threat_defense. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.3% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v3.0 (NVD)
EPSS score
1.19%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-05-2018
    PublishedVulnerability first disclosed.
  2. 29-11-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.19%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

-0.04 pp

From 1.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco1 product

1 vendor · 1 product

References

2 links