01 Record
CVE-2018-15443
Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability
MediumPUBLISHEDCNA: cisco
CNA base score5.8 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
02 Description
Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 2.76% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-11-08 17:00Z7 YR AGO
- Last updated
- 2024-11-26 14:22Z1 YR AGO
- Reserved
- 2018-08-17
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.8)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- efc497bfd8157c8a9dde2e1caa94179a2ca8b7c60d1d9c49b5520d31024ccb5a
05 Affected products
VendorProductVersionsPlatforms
06 References
- tools.cisco.com20181107 Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerabilityhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-fde-tcp-bypass
- www.securityfocus.com105870http://www.securityfocus.com/bid/105870