HIGHCVSS 7.5Actively exploited · CISA KEV since 2024-02-15Vulnerability

CVE-2020-3259

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.

Properties

Euvd product
Cisco Adaptive Security Appliance (ASA) Software
Vulnerability name
Cisco ASA and FTD Information Disclosure Vulnerability
First seen
2026-08-12T03:56:04+00:00
Cvss score
7.5
Epss score
0.71789
Last seen
2026-10-19T12:00:27+00:00
Due date
2024-03-07
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2024-02-15T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2024-02-15
Euvd base score version
3.0
Score
7.5
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Cisco
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
7.5

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CVE-2020-3259 (CVSS 7.5) — Ninja Signal Threat Intelligence | Ninja Signal