Cisco SD-WAN Information Disclosure Vulnerability
Priority LOW 20CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to access sensitive information on an affected device. The vulnerability is due to insufficient input validation of requests that are sent to the iperf tool. An attacker could exploit this vulnerability by sending a crafted request to the iperf tool, which is included in Cisco SD-WAN Software. A successful exploit could allow the attacker to obtain any file from the filesystem of an affected device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00324 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 SD-WAN Solution | all versions | — | No fix listed | CNA |
- Cisco SD-WAN Solution VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:sd-wan_firmware:*:*:*:*:*:*:*:* | before 18.4.3 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:vedge_100_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_1000_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_100b_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_100m_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_100wm_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_2000_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_5000_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:cisco:vedge_cloud_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:a:cisco:catalyst_sd-wan_manager:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
- cpe:2.3:o:cisco:sd-wan_firmware:*:*:*:*:*:*:*:* Versions before 18.4.3 Vulnerable ·Cisco
- cpe:2.3:h:cisco:vedge_100_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_1000_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_100b_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_100m_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_100wm_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_2000_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_5000_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:cisco:vedge_cloud_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:a:cisco:catalyst_sd-wan_manager:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-1233
- 2026-10-03 Alias added: GHSA-7p72-85j2-h9fw
References
More Cisco Catalyst Sd-wan Manager vulnerabilities
- TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16340 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16436 Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2022-05334 Cisco SD-WAN Software Privilege Escalation Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2026-16341 Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability KEVCVSS 3.1HIGH 7.5
Sources
- CVE-2021-1233 · CVE Program
- CVE-2021-1233 · NVD
- FIRST EPSS
- GHSA-7p72-85j2-h9fw · 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