Detections
Analytics
Cisco Adaptive Security Appliance Software SSL/TLS DoS (cisco-sa-asa-ssl-dos-7uZWwSEy)
high Nessus Plugin ID 148306
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
A denial of service (DoS) vulnerability exists in Cisco Adaptive Security Appliance due to improper error handling on established SSL/TLS connections. An unauthenticated, remote attacker can exploit this issue, by establishing an SSL/TLS connection with the affected device and then sending a malicious SSL/TLS message within that connection, to cause the device to reload.Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvt64822See Also
Plugin Details
Severity: High
ID: 148306
File Name: cisco-sa-asa-ssl-dos-7uZWwSEy.nasl
Version: 1.7
Type: local
Family: CISCO
Published: 4/2/2021
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2020-27124
CVSS v3
Risk Factor: High
Base Score: 8.6
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:adaptive_security_appliance_software
Required KB Items: Host/Cisco/ASA
Exploit Ease: No known exploits are available
Patch Publication Date: 10/22/2020
Vulnerability Publication Date: 10/22/2020
Reference Information
CVE: CVE-2020-27124