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CVE-2020-3259

Severity not reported CISA KEV
Data quality: kev only. This record comes from the CISA KEV catalog only; NVD details have not been synced yet.

Cisco ASA and FTD Information Disclosure Vulnerability

Vendor / product: Cisco — Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

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.

CVSS
—
Not reported by the source
Timeline (UTC)
Published: not reported
Modified: not reported
NVD status: not reported
Last synced 1 day ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Listed in CISA KEV
Added 2024-02-15 · due 2024-03-07
Known ransomware use: Known

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

  • No references reported.

Data sources

CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗

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