Cisco vWAAS for Cisco ENCS 5400-W Series and CSP 5000-W Series Default Credentials Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.
Summary
A vulnerability in Cisco Virtual Wide Area Application Services (vWAAS) with Cisco Enterprise NFV Infrastructure Software (NFVIS)-bundled images for Cisco ENCS 5400-W Series and CSP 5000-W Series appliances could allow an unauthenticated, remote attacker to log into the NFVIS CLI of an affected device by using accounts that have a default, static password. The vulnerability exists because the affected software has user accounts with default, static passwords. An attacker with access to the NFVIS CLI of an affected device could exploit this vulnerability by logging into the CLI. A successful exploit could allow the attacker to access the NFVIS CLI with administrator privileges.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Wide Area Application Services (WAAS) | all versions | — | No fix listed | CNA |
- Cisco Wide Area Application Services (WAAS) VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:encs_5406-w_firmware:6.4\(1\):*:*:*:*:*:*:* | 6.4(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:encs_5406-w_firmware:6.4\(3d\):*:*:*:*:*:*:* | 6.4(3d) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:encs_5406-w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:encs_5408-w_firmware:6.4\(1\):*:*:*:*:*:*:* | 6.4(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:encs_5408-w_firmware:6.4\(3d\):*:*:*:*:*:*:* | 6.4(3d) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:encs_5408-w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:encs_5412-w_firmware:6.4\(1\):*:*:*:*:*:*:* | 6.4(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:encs_5412-w_firmware:6.4\(3d\):*:*:*:*:*:*:* | 6.4(3d) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:encs_5412-w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:csp_5228-w_firmware:6.4\(1\):*:*:*:*:*:*:* | 6.4(1) | Vulnerable | Cisco |
- cpe:2.3:o:cisco:encs_5406-w_firmware:6.4\(1\):*:*:*:*:*:*:* Versions 6.4(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:encs_5406-w_firmware:6.4\(3d\):*:*:*:*:*:*:* Versions 6.4(3d) Vulnerable ·Cisco
- cpe:2.3:h:cisco:encs_5406-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:encs_5408-w_firmware:6.4\(1\):*:*:*:*:*:*:* Versions 6.4(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:encs_5408-w_firmware:6.4\(3d\):*:*:*:*:*:*:* Versions 6.4(3d) Vulnerable ·Cisco
- cpe:2.3:h:cisco:encs_5408-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:encs_5412-w_firmware:6.4\(1\):*:*:*:*:*:*:* Versions 6.4(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:encs_5412-w_firmware:6.4\(3d\):*:*:*:*:*:*:* Versions 6.4(3d) Vulnerable ·Cisco
- cpe:2.3:h:cisco:encs_5412-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:csp_5228-w_firmware:6.4\(1\):*:*:*:*:*:*:* Versions 6.4(1) Vulnerable ·Cisco
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:csp_5228-w_firmware:6.4\(3d\):*:*:*:*:*:*:* | 6.4(3d) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:csp_5228-w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:csp_5436-w_firmware:6.4\(1\):*:*:*:*:*:*:* | 6.4(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:csp_5436-w_firmware:6.4\(3d\):*:*:*:*:*:*:* | 6.4(3d) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:csp_5436-w:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:csp_5228-w_firmware:6.4\(3d\):*:*:*:*:*:*:* Versions 6.4(3d) Vulnerable ·Cisco
- cpe:2.3:h:cisco:csp_5228-w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:csp_5436-w_firmware:6.4\(1\):*:*:*:*:*:*:* Versions 6.4(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:csp_5436-w_firmware:6.4\(3d\):*:*:*:*:*:*:* Versions 6.4(3d) Vulnerable ·Cisco
- cpe:2.3:h:cisco:csp_5436-w:-:*:*:*:*:*:*:* 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-2020-3446
- 2026-10-03 Alias added: GHSA-7f6q-wx66-349m
References
Sources
- CVE-2020-3446 · CVE Program
- CVE-2020-3446 · NVD
- FIRST EPSS
- GHSA-7f6q-wx66-349m · 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