MEDIUMCVSS 5.0Actively exploited · CISA KEV since 2023-09-13Vulnerability
CVE-2023-20269
Cisco Adaptive Security Appliance and Firepower Threat Defense contain an unauthorized access vulnerability that could allow an unauthenticated, remote attacker to conduct a brute force attack in an attempt to identify valid username and password combinations or establish a clientless SSL VPN session with an unauthorized user.
Properties
- Euvd product
- Cisco Firepower Threat Defense Software, Cisco Adaptive Security Appliance (ASA) Software
- Vulnerability name
- Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability
- First seen
- 2026-08-06T03:55:39+00:00
- Cvss score
- 5
- Epss score
- 0.25453
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2023-10-04
- Euvd assigner
- cisco
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2023-09-13T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2023-09-13
- Euvd base score version
- 3.1
- Score
- 5
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Cisco
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 5
Related Entities (328 · showing 26)
AFFECTS_PRODUCT (322 · showing 20)
HAS_WEAKNESS (2)
MENTIONED_IN (2)
DESCRIBES (1)
INVOLVES (1)
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