CVE-2020-3259

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2020-3259

Confirmed

Yes

2024-02-15 00:00 UTC

Timestamps

2024-02-15

2024-02-15

Scope

KEV entry: Cisco ASA and FTD Information Disclosure Vulnerability | Affected: Cisco / Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | Description: Cisco 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-03-07 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-info-disclose-9eJtycMB; https://nvd.nist.gov/vuln/detail/CVE-2020-3259

References
  • {'id': 'CVE-2020-3259', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-3259'}

615d2b31-bef2-41eb-a763-2ba326566de7

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 12:26 UTC

2026-02-02 12:26 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-200"
  ],
  "date_added": "2024-02-15",
  "due_date": "2024-03-07",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco ASA and FTD Information Disclosure Vulnerability"
}
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