Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Portal Access Rule Bypass Vulnerability (Cisco Cisco Adaptive Security Appliance (ASA) Software)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.24 % · percentile 69 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked. The vulnerability is due to insufficient validation of URLs when portal access rules are configured. An attacker could exploit this vulnerability by accessing certain URLs on the affected device.
Weaknesses (CWE)
- CWE-863 — Incorrect Authorization
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | cisco |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | NVD · psirt@cisco.com (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-24849
- GCVE · GCVE-0-2020-3578
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*≥ 6.4.0 < 6.4.0.10cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*< 6.3.0.6cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*≥ 6.5.0 < 6.5.0.5cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*≥ 6.6.0 < 6.6.1cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*< 9.6.4.45cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.7 < 9.8.4.26cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.9 < 9.9.2.80cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.10 < 9.10.1.44cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.12 < 9.12.4.4cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.13 < 9.13.1.13cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.14 < 9.14.1.19
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Adaptive Security Appliance (ASA) Software | affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |