# Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability

CVE record · `CVE-2020-26071`

- **Identifiers:** `CVE-2020-26071`
- **State:** Confirmed
- **Severity:** CVSS 8.4 High
- **Critical:** No
- **CNA:** cisco
- **Weakness (CWE):** [CWE-22](https://cwe.mitre.org/data/definitions/22.html)
- **Tags:** [Path traversal](https://agentprime.io/advisories/tag/path-traversal.md)
- **Technologies:** [Cisco Catalyst SD-WAN Manager](https://agentprime.io/advisories/technology/cisco-catalyst-sd-wan-manager.md) · [Cisco SD-WAN vContainer](https://agentprime.io/advisories/technology/cisco-sd-wan-vcontainer.md) · [Cisco SD-WAN vEdge Cloud](https://agentprime.io/advisories/technology/cisco-sd-wan-vedge-cloud.md) · [Cisco SD-WAN vEdge Router](https://agentprime.io/advisories/technology/cisco-sd-wan-vedge-router.md)
- **Published:** 18 Nov 2024
- **Updated:** 18 Nov 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: cisco) at 18 Nov 2024, 16:05 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Cisco. Product: Cisco Catalyst SD-WAN Manager.
  - affected: `20.1.12`
  - affected: `19.2.1`
  - affected: `18.4.4`
  - affected: `18.4.5`
  - affected: `20.1.1.1`
  - affected: `20.1.1`
  - affected: `19.3.0`
  - affected: `19.2.2`
  - affected: `19.2.099`
  - affected: `18.3.6`
  - affected: `18.3.7`
  - affected: `19.2.0`
  - and 30 more
  - Other versions: unknown
- Vendor: Cisco. Product: Cisco SD-WAN vContainer.
  - affected: `18.4.5`
  - affected: `20.1.12`
  - affected: `18.3.6`
  - affected: `19.2.1`
  - affected: `19.3.0`
  - affected: `20.1.1`
  - affected: `19.2.2`
  - affected: `18.3.8`
  - affected: `18.4.3`
  - affected: `18.4.4`
  - affected: `18.4.302`
  - affected: `19.1.0`
  - and 22 more
  - Other versions: unknown
- Vendor: Cisco. Product: Cisco SD-WAN vEdge Cloud.
  - affected: `19.2.1`
  - affected: `20.1.12`
  - affected: `18.4.4`
  - affected: `19.3.0`
  - affected: `18.3.8`
  - affected: `19.2.2`
  - affected: `20.1.1`
  - affected: `18.3.6`
  - affected: `18.4.3`
  - affected: `18.4.302`
  - affected: `18.4.5`
  - affected: `18.4.303`
  - and 23 more
  - Other versions: unknown
- Vendor: Cisco. Product: Cisco SD-WAN vEdge Router.
  - affected: `18.4.303`
  - affected: `18.3.7`
  - affected: `19.3.0`
  - affected: `18.2.0`
  - affected: `20.1.12`
  - affected: `19.2.099`
  - affected: `17.2.10`
  - affected: `18.3.3`
  - affected: `18.3.6`
  - affected: `19.0.0`
  - affected: `17.2.6`
  - affected: `18.4.0`
  - and 26 more
  - Other versions: unknown

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 8.4 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/RL:X/RC:X/E:X`, from CNA (cisco)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 18 Nov 2024. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2020-26071](https://www.cve.org/CVERecord?id=CVE-2020-26071)
- [NVD: CVE-2020-26071](https://nvd.nist.gov/vuln/detail/CVE-2020-26071)

### References from the CNA

- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2020-26071>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2020-26071/>. Everything for agents: <https://agentprime.io/llms.txt>.