CVE
CVE-2018-0101
- First Reported
- Apr 24, 2024
- Latest Reported
- Apr 24, 2024
CVE Enrichment
- CVSS
- 10.0 CRITICAL
- EPSS
- 86.78%
- EPSS Percentile
- 99.74%
- CISA KEV
- Not listed
Description
A vulnerability in the Secure Sockets Layer (SSL) VPN functionality of the Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause a reload of the affected system or to remotely execute code. The vulnerability is due to an attempt to double free a region of memory when the webvpn feature is enabled on the Cisco ASA device. An attacker could exploit this vulnerability by sending multiple, crafted XML packets to a webvpn-configured interface on the affected system. An exploit could allow the attacker to execute arbitrary code and obtain full control of the system, or cause a reload of the affected device. This vulnerability affects Cisco ASA Software that is running on the following Cisco products: 3000 Series Industrial Security Appliance (ISA), ASA 5500 Series Adaptive Security Appliances, ASA 5500-X Series Next-Generation Firewalls, ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, ASA 1000V Cloud Firewall, Adaptive Security Virtual Appliance (ASAv), Firepower 2100 Series Security Appliance, Firepower 4110 Security Appliance, Firepower 9300 ASA Security Module, Firepower Threat Defense Software (FTD). Cisco Bug IDs: CSCvg35618.
Technical Details
- CVSS Version
- 3.0
- CNA / NVD Source
- psirt@cisco.com
- Published
- 30-Jan-2018 03:29
- Last Modified
- 12-Aug-2026 02:33
- EPSS Date
- 2026-10-12
- CWE
- CWE-415
CVSS Vector
CVSS:3.0 AV:N /
AC:L /
PR:N /
UI:N /
S:C /
C:H /
I:H /
A:H
Affected Products / Versions
- cisco / adaptive_security_appliance_software
Version / affected range: * · before (exclusive) 9.1.7.23
cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / adaptive_security_appliance_software
Version / affected range: * · from (inclusive) 9.2.0 · before (exclusive) 9.2.4.27
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / adaptive_security_appliance_software
Version / affected range: * · from (inclusive) 9.3.0 · before (exclusive) 9.4.4.16
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / adaptive_security_appliance_software
Version / affected range: * · from (inclusive) 9.5.0 · before (exclusive) 9.6.4.3
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / adaptive_security_appliance_software
Version / affected range: * · from (inclusive) 9.7.0 · before (exclusive) 9.7.1.21
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / adaptive_security_appliance_software
Version / affected range: * · from (inclusive) 9.8.0 · before (exclusive) 9.8.2.20
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / adaptive_security_appliance_software
Version / affected range: * · from (inclusive) 9.9.0 · before (exclusive) 9.9.1.2
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* - cisco / secure_firewall_threat_defense
Version / affected range: 6.0.0
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.0.0:*:*:*:*:*:*:* - cisco / secure_firewall_threat_defense
Version / affected range: 6.0.1
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.0.1:*:*:*:*:*:*:* - cisco / secure_firewall_threat_defense
Version / affected range: 6.1.0
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.1.0:*:*:*:*:*:*:* - cisco / secure_firewall_threat_defense
Version / affected range: 6.2.0
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.2.0:*:*:*:*:*:*:* - cisco / secure_firewall_threat_defense
Version / affected range: 6.2.1
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.2.1:*:*:*:*:*:*:* - cisco / secure_firewall_threat_defense
Version / affected range: 6.2.2
cpe:2.3:a:cisco:secure_firewall_threat_defense:6.2.2:*:*:*:*:*:*:*
References
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.
Reported Context (1)
- by the Line Dancer implant. Note that the use of this field does not indicate the exploitation of CVE-2018-0101 which was NOT used as a component of this campaign. The host-scan-reply field, typically used in later Cisco Details ArcaneDoor Espionage Campaign Targeting Perimeter Devices
CVE (5)
Malware (2)
Threat Actors (2)
MITRE ATT&CK (14)
Vendors (2)
Products (9)
Tools (1)
Industries (2)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.