CVE-2023-6815
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R...
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
- Record
CVE-2023-6815- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-266
- Updated
- 2026-11-02
EUVDEUVD-2023-59025
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
- Record
EUVD-2023-59025- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r5w8-hf4h-f29v
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R...
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
- Record
GHSA-r5w8-hf4h-f29v- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-266
- Updated
- 2026-11-02
NVD
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.
- Record
CVE-2023-6815- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-266
- Updated
- 2026-11-02
Affected products
- mitsubishi electric corporation melsec iq-r series safety cpu r08sfcpu
- mitsubishi electric corporation melsec iq-r series safety cpu r120sfcpu
- mitsubishi electric corporation melsec iq-r series safety cpu r16sfcpu
- mitsubishi electric corporation melsec iq-r series safety cpu r32sfcpu
- mitsubishi electric corporation melsec iq-r series sil2 process cpu r08psfcpu
- mitsubishi electric corporation melsec iq-r series sil2 process cpu r120psfcpu
- mitsubishi electric corporation melsec iq-r series sil2 process cpu r16psfcpu
- mitsubishi electric corporation melsec iq-r series sil2 process cpu r32psfcpu
- mitsubishielectric r08psfcpu firmware
- mitsubishielectric r08sfcpu firmware
- mitsubishielectric r120psfcpu firmware
- mitsubishielectric r120sfcpu firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-6815 is a medium vulnerability (CVSS 6.5) in Mitsubishi Electric Corporation Melsec Iq-r Series Safety Cpu R08sfcpu, published February 13, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.