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🛡️ CVE-2022-42784 — 6ag1052-1cc08-7ba1-firmware

🟠 CVSS 7.6 — High ✅ No Known Exploit CWE-1319 NVD
7.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA1) (All versions >= V8.3), LOGO! 12/24RCEo (6ED1052-2MD08-0BA1) (All versions >= V8.3), LOGO! 230RCE (6ED1052-1FB08-0BA1) (All versions >= V8.3), LOGO! 230RCEo (6ED1052-2FB08-0BA1) (All versions >= V8.3), LOGO! 24CE (6ED1052-1CC08-0BA1) (All versions >= V8.3), LOGO! 24CEo (6ED1052-2CC08-0BA1) (All versions >= V8.3), LOGO! 24RCE (6ED1052-1HB08-0BA1) (All versions >= V8.3), LOGO! 24RCEo (6ED1052-2HB08-0BA1) (All versions >= V8.3), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA1) (All versions >= V8.3), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA1) (All versions >= V8.3). Affected devices are vulnerable to an electromagnetic fault injection. This could allow an attacker to dump and debug the firmware, including the manipulation of memory. Further actions could allow to inject public keys of custom created key pairs which are then signed by the product CA. The generation of a custom certificate allows communication with, and impersonation of, any device of the same version.

How this vulnerability can be exploited

This issue can be reached with physical access to the device, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Attack vector: Physical — the attacker has to touch the device.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2022-42784 is classified as CWE-1319: Improper Protection against Electromagnetic Fault Injection (EM-FI). The device is susceptible to electromagnetic fault injection attacks, causing device internal information to be compromised or security mechanisms to be bypassed.

Affected software

CVE-2022-42784 is recorded against 16 packages.

  • 6ag1052-1cc08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-1fb08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-1hb08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-1md08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-2cc08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-2fb08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-2hb08-7ba1-firmware (fixed in 8.3)
  • 6ag1052-2md08-7ba1-firmware (fixed in 8.3)
  • 6ed1052-1cc08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-1fb08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-1hb08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-1md08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-2cc08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-2fb08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-2hb08-0ba1-firmware (fixed in 8.3)
  • 6ed1052-2md08-0ba1-firmware (fixed in 8.3)

Timeline and source

Published on 12 December 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert-portal.siemens.com
cert-portal.siemens.com
cert-portal.siemens.com

Same weakness in other software

These advisories are the same class of weakness (CWE-1319: Improper Protection against Electromagnetic Fault Injection (EM-FI)) in other software:

Details

Severity HIGH
CVSS Score 7.6
CVSS Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-1319
Public Exploit ✅ No
Source NVD
Published 2023-12-12
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
6ag1052-1cc08-7ba1-firmware — 8.3
6ag1052-1fb08-7ba1-firmware — 8.3
6ag1052-1hb08-7ba1-firmware — 8.3
6ag1052-1md08-7ba1-firmware — 8.3
6ag1052-2cc08-7ba1-firmware — 8.3
6ag1052-2fb08-7ba1-firmware — 8.3
6ag1052-2hb08-7ba1-firmware — 8.3
6ag1052-2md08-7ba1-firmware — 8.3
6ed1052-1cc08-0ba1-firmware — 8.3
6ed1052-1fb08-0ba1-firmware — 8.3
6ed1052-1hb08-0ba1-firmware — 8.3
6ed1052-1md08-0ba1-firmware — 8.3
6ed1052-2cc08-0ba1-firmware — 8.3
6ed1052-2fb08-0ba1-firmware — 8.3
6ed1052-2hb08-0ba1-firmware — 8.3
6ed1052-2md08-0ba1-firmware — 8.3

Site Security Check

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