CVE-2018-15397 is a denial-of-service vulnerability affecting Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software. It stems from an error in Traffic Flow Confidentiality (TFC) over IPsec, causing devices to restart unexpectedly during encryption key renegotiation with TFC traffic in flight. The vulnerability has a CVSS score of 6.8 (Medium) due to its network-based attack vector and high impact on availability, despite requiring high attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.2.2CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:6.2.2:*:*:*:*:*:*:* | ||
9.6.4CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.4:*:*:*:*:*:*:* | ||
9.8.2CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.8.2:*:*:*:*:*:*:* | ||
9.9.1CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.9.1:*:*:*:*:*:*:* | ||
9.9.1\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.9.1\(1\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.