Hard-coded credentials in Cisco SD-WAN vManage
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
Vulnerability in the Elasticsearch database used in the of Cisco SD-WAN vManage software could allow an unauthenticated, remote attacker to access the Elasticsearch configuration database of an affected device with the privileges of the elasticsearch user. These vulnerability is due to the presence of a static username and password configured on the vManage. An attacker could exploit this vulnerability by sending a crafted HTTP request to a reachable vManage on port 9200. A successful exploit could allow the attacker to view the Elasticsearch database content. There are workarounds that address this vulnerability.
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 | Cisco SD-WAN vManage | 17.2.6; 17.2.7; 17.2.8; 17.2.9; 17.2.10; 17.2.4; 17.2.5; 18.3.1.1; 18.3.3.1; 18.3.3; 18.3.4; 18.3.5; 18.3.7; 18.3.8; 18.3.6.1; 18.3.1; 18.3.0; 18.4.0.1; 18.4.3; 18.4.302; 18.4.303; 18.4.4; 18.4.5; 18.4.0; 18.4.1; 18.4.6; 19.2.0; 19.2.097; 19.2.099; 19.2.1; 19.2.2; 19.2.3; 19.2.31; 19.2.929; 19.2.4; 20.1.1.1; 20.1.12; 20.1.1; 20.1.2; 20.1.3; 19.3.0; 19.1.0; 18.2.0; 20.3.1; 20.3.2; 20.3.2.1; 20.3.3; 20.3.3.1; 20.4.1; 20.4.1.1; 20.4.1.2; 20.4.2; 20.4.2.2; 20.4.2.1; 20.4.2.3; 20.5.1; 20.5.1.2; 20.5.1.1 | — | No fix listed | CNA |
- Cisco SD-WAN vManage VendorCisco Affected 17.2.6; 17.2.7; 17.2.8; 17.2.9; 17.2.10; 17.2.4; 17.2.5; 18.3.1.1; 18.3.3.1; 18.3.3; 18.3.4; 18.3.5; 18.3.7; 18.3.8; 18.3.6.1; 18.3.1; 18.3.0; 18.4.0.1; 18.4.3; 18.4.302; 18.4.303; 18.4.4; 18.4.5; 18.4.0; 18.4.1; 18.4.6; 19.2.0; 19.2.097; 19.2.099; 19.2.1; 19.2.2; 19.2.3; 19.2.31; 19.2.929; 19.2.4; 20.1.1.1; 20.1.12; 20.1.1; 20.1.2; 20.1.3; 19.3.0; 19.1.0; 18.2.0; 20.3.1; 20.3.2; 20.3.2.1; 20.3.3; 20.3.3.1; 20.4.1; 20.4.1.1; 20.4.1.2; 20.4.2; 20.4.2.2; 20.4.2.1; 20.4.2.3; 20.5.1; 20.5.1.2; 20.5.1.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-20034
- 2026-10-03 Alias added: GHSA-vph8-3839-qfq3
References
More Cisco Sd-wan vulnerabilities
- TI-2022-05334 Cisco SD-WAN Software Privilege Escalation Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2022-05377 Cisco SD-WAN Software Privilege Escalation Vulnerabilities CVSS 3.1HIGH 7.8
- TI-2020-16490 Cisco SD-WAN vManage Software Arbitrary File Creation Vulnerability CVSS 3.1MEDIUM 6.5
- TI-2020-02926 Cisco SD-WAN Solution Software Buffer Overflow Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2018-10947 Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2020-02925 Cisco SD-WAN vManage Software Authorization Bypass Vulnerability CVSS 3.1CRITICAL 9.9
Sources
- CVE-2023-20034 · CVE Program
- CVE-2023-20034 · NVD
- FIRST EPSS
- GHSA-vph8-3839-qfq3 · 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