Cisco ASA Secondary Authentication Bypass Vulnerability
Published Feb 19, 2020
7.5
HIGHCVSS 3.1
EPSS 0.86%
Description
A vulnerability in the Cisco ASA that could allow a remote attacker to successfully authenticate using the Cisco AnyConnect VPN client if the Secondary Authentication type is LDAP and the password is left blank, providing the primary credentials are correct. The vulnerabilities is due to improper input validation of certain parameters passed to the affected software. An attacker must have the correct primary credentials in order to successfully exploit this vulnerability.
Affected products
-
- Version 8.4(1)StatusaffectedConstraints-
- Version
Configuration 1
- 8.4\(1\)
Configuration 2
- 8.4\(1\)
Configuration 3
- 8.4\(1\)
Running on/with
- n/a
Configuration 4
- 8.4\(1\)
Running on/with
- n/a
Configuration 5
- 8.4\(1\)
Configuration 6
- 8.4\(1\)
Running on/with
- n/a
Configuration 7
- 8.4\(1\)
Configuration 8
- 8.4\(1\)
Running on/with
- n/a
Configuration 9
- 8.4\(1\)
Configuration 10
- 8.4\(1\)
Running on/with
- n/a
Configuration 11
- 8.4\(1\)
Configuration 12
- 8.4\(1\)
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Nov 15, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.86% (0.00858) | 56.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.86% (0.00858) | 53.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00169) | 35.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00148) | 52.30th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.14% (0.00139) | 48.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00148) | 49.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (1)
- https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://quickview.cloudapps.cisco.com/quickview/bug/CSCtq58884 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.