Cyber Resilience

CVE-2023-6815

Medium

Published: 13 February 2024

Published
13 February 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0025 48.7th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-6815 is a medium-severity Incorrect Privilege Assignment (CWE-266) vulnerability in Mitsubishielectric R08Sfcpu Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 48.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mitsubishielectric
r08sfcpu firmware
all versions
mitsubishielectric
r16sfcpu firmware
all versions
mitsubishielectric
r32sfcpu firmware
all versions
mitsubishielectric
r120sfcpu firmware
all versions
mitsubishielectric
r08psfcpu firmware
all versions
mitsubishielectric
r16psfcpu firmware
all versions
mitsubishielectric
r32psfcpu firmware
all versions
mitsubishielectric
r120psfcpu firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-266

Designation of a manager and policy dissemination ensures privileges are assigned according to defined roles.

addresses: CWE-266

Regular reviews catch incorrect privilege assignments to users, roles, or processes.

addresses: CWE-266

Explicitly specifying privileges and group/role memberships for accounts reduces the risk of incorrect privilege assignments.

addresses: CWE-266

The control requires explicit definition of separated access authorizations, making incorrect privilege assignments that bundle conflicting duties harder to implement.

addresses: CWE-266

Ensures privileges are assigned only as necessary rather than incorrectly over-granted.

References