Improper authentication in Cisco Adaptive Security Appliance
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
A vulnerability in the Border Gateway Protocol (BGP) Bidirectional Forwarding Detection (BFD) implementation of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to bypass the access control list (ACL) for specific TCP and UDP traffic. More Information: CSCvc68229. Known Affected Releases: 9.6(2). Known Fixed Releases: 99.1(20.1) 99.1(10.2) 98.1(12.7) 98.1(1.49) 97.1(6.58) 97.1(0.134) 96.2(0.109) 9.7(1.1) 9.6(2.99) 9.6(2.8).
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco Adaptive Security Appliance | Cisco Adaptive Security Appliance | — | No fix listed | CNA |
- Cisco Adaptive Security Appliance Vendor— Affected Cisco Adaptive Security Appliance Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:adaptive_security_appliance_software:6.3.1:*:*:*:*:*:*:* | 6.3.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2:*:*:*:*:*:*:* | 9.6.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.1:*:*:*:*:*:*:* | 9.6.2.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.2:*:*:*:*:*:*:* | 9.6.2.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.3:*:*:*:*:*:*:* | 9.6.2.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.7:*:*:*:*:*:*:* | 9.6.2.7 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.8:*:*:*:*:*:*:* | 9.6.2.8 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.9:*:*:*:*:*:*:* | 9.6.2.9 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.3:*:*:*:*:*:*:* | 9.6.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:adaptive_security_appliance_software:6.3.1:*:*:*:*:*:*:* Versions 6.3.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2:*:*:*:*:*:*:* Versions 9.6.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.1:*:*:*:*:*:*:* Versions 9.6.2.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.2:*:*:*:*:*:*:* Versions 9.6.2.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.3:*:*:*:*:*:*:* Versions 9.6.2.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.7:*:*:*:*:*:*:* Versions 9.6.2.7 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.8:*:*:*:*:*:*:* Versions 9.6.2.8 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.2.9:*:*:*:*:*:*:* Versions 9.6.2.9 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:9.6.3:*:*:*:*:*:*:* Versions 9.6.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-3867
- 2026-10-03 Alias added: GHSA-597f-5vmr-5j7p
References
More Cisco Adaptive Security Appliance Software vulnerabilities
- TI-2025-14628 Buffer overflow in Cisco Secure Firewall Adaptive Security Appliance Software KEVCVSS 3.1CRITICAL 9.9
- TI-2016-05454 Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on… KEVCVSS 3.1HIGH 8.8
- TI-2023-06973 Authentication bypass in Cisco Adaptive Security Appliance Software KEVCVSS 3.1CRITICAL 9.1
- TI-2026-82192 Denial of service in Cisco Secure Firewall ASA and FTD SSL VPN KEVCVSS 3.1HIGH 8.6
- TI-2026-16533 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense… KEVCVSS 3.1HIGH 8.6
- TI-2025-14657 Missing authorization in Cisco Secure Firewall Adaptive Security Appliance Software KEVCVSS 3.1HIGH 8.6
Sources
- CVE-2017-3867 · CVE Program
- CVE-2017-3867 · NVD
- FIRST EPSS
- GHSA-597f-5vmr-5j7p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences