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CVE-2018-0101 is a double-free vulnerability in the SSL VPN (WebVPN) functionality of Cisco Adaptive Security Appliance (ASA) Software and affected related Cisco security products. The flaw occurs when the WebVPN feature is enabled and the device processes multiple crafted XML packets sent to a WebVPN-configured interface, resulting in an attempt to free the same region of memory twice. A remote, unauthenticated attacker can trigger the condition over the network. Successful exploitation can cause the affected device to reload or can lead to arbitrary code execution with full control of the system, including Administrator or root-level privileges.
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No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A previously known Cisco ASA vulnerability referenced only to clarify that it was not used in the ArcaneDoor campaign.
A vulnerability affecting all supported versions of Cisco ASA software, mitigable by disabling the WebVPN feature. Cisco determined the original fix was insufficient and released updated patches; researchers also published proof-of-concept code that can cause a denial-of-service condition on ASA devices.
An unauthenticated remote denial-of-service and potential remote code execution vulnerability in Cisco ASA SSL VPN (WebVPN) caused by a double-free condition triggered via crafted XML packets.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.