CVE-2018-15397 — Cisco Adaptive Security Appliance Software vulnerability

CWE-3204 documents4 sources
Severity
6.8MEDIUMNVD
EPSS
0.2%
top 52.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco Adaptive Security Appliance SoftwareCisco Adaptive Security Appliance SoftwareCisco Secure Firewall Management Center
Timeline
PublishedOct 5
Latest updateMay 13

Description

A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to an error that may occur if the affected software renegotiates the encryption key for an IPsec tunnel when certain TFC …

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 2.2 | Impact: 4.0

Affected Packages3 packages

🔴Vulnerability Details

2
GHSA
GHSA-rhcj-jwww-2qpj: A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Softwa↗2022-05-13
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CVEList
Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability↗2018-10-05
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📋Vendor Advisories

1
Cisco
Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability↗2018-10-03
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CVE-2018-15397 — Cisco vulnerability | cvebase