CVE-2020-3259
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD): Exposure of Sensitive Information
- Act now
- CVSS 7.5 High
- CISA KEV, due
- VulnCheck KEV
- ENISA exploited-vulnerability catalog
What it is
ReportedCisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an information disclosure vulnerability. An attacker could retrieve memory contents on an affected device, which could lead to the disclosure of confidential information due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. This vulnerability affects only specific AnyConnect and WebVPN configurations.
Dates
What is affected
ReportedCisco; Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD). Product-level identification only; no affected-version conclusion is available from this field.
Dates
Urgency and basis
Tracker computedAct now
Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".
Dates
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Dates
What to do
ReportedApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Source remediation ↗Dates
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma, Atomic, Nuclei, and Metasploit: none mapped by tracked sources.
Sigma
Not mapped by tracked sources.
Atomic
Not mapped by tracked sources.
Nuclei
Not mapped by tracked sources.
Evidence detail
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