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CVE-2020-3259 is an unauthenticated remote information-disclosure vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software. Incorrect buffer tracking while parsing malformed URLs can cause the affected device to return memory contents in response to a crafted HTTP GET request. The issue affects only particular AnyConnect and WebVPN configurations.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Cisco information disclosure vulnerability used alongside other Cisco ASA/FTD access methods in Akira intrusion activity.
A Cisco information-disclosure vulnerability reportedly used by Akira operators as part of attacks on Cisco ASA/FTD VPN infrastructure.
A Cisco ASA information disclosure vulnerability listed among the vulnerabilities exploited by Akira.
A vulnerability in Cisco devices that the Akira ransomware group has been observed exploiting for access.
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.