CVE-2019-14927Me-Rtu Firmware Missing Authentication
An issue was discovered on Mitsubishi Electric Europe B.V.
Published Sep 10, 2021 · Updated Sep 10, 2024
Key Facts
Patch immediately- CVE-2019-14927 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Me-Rtu Firmware (Inea), Smartrtu Firmware (Mitsubishielectric).
- It is exploited in the wild, listed in Industry KEV feed since Dec 17, 2019. Public exploit code is available.
- EPSS estimates a 41% probability of exploitation in the next 30 days.
- Fixed versions are available, including Me-Rtu Firmware <=3.0, Smartrtu Firmware <=2.02, Me-Rtu Firmware 3.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
41%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
43/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Dec 17, 2019
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
3
Reports of active use
Advisories And Exploit References
- advisoryhttp://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-14927
- advisoryhttps://us-cert.cisa.gov/ics/advisories/icsa-21-252-03
- advisoryhttps://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- advisoryhttps://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- advisoryhttps://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- advisoryhttps://www.mogozobo.com/
Description
An issue was discovered on Mitsubishi Electric Europe B.V. ME-RTU devices through 2.02 and INEA ME-RTU devices through 3.0. An unauthenticated remote configuration download vulnerability allows an attacker to download the smartRTU's configuration file (which contains data such as usernames, passwords, and other sensitive RTU data).
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Dec 17, 2019 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Me-Rtu FirmwareInea | See advisory | 3.0 |
| Smartrtu FirmwareMitsubishielectric | See advisory | 2.02 |
Patched Releases
Me-Rtu Firmware
<=3.0
Smartrtu Firmware
<=2.02
Timeline
Added to Industry KEV feed
Dec 17, 2019
Publicly disclosed
Sep 10, 2021
Last updated
Sep 10, 2024
Weakness Type
- CWE-306 Missing Authentication for Critical Function
- CWE-425 Direct Request ('Forced Browsing')
References
- advisoryweb.nvd.nist.gov · vuln
- advisoryus-cert.cisa.gov · icsa-21-252-03
- advisoryfirst.org · 3.0
- advisoryfirst.org · 3.0
- advisoryfirst.org · 3.0
FAQ
Common Questions.
An issue was discovered on Mitsubishi Electric Europe B.V.
Affected: Me-Rtu Firmware (Inea); Smartrtu Firmware (Mitsubishielectric). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Dec 17, 2019.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Me-Rtu Firmware <=3.0, Smartrtu Firmware <=2.02, Me-Rtu Firmware 3.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2019-14927 On Your Attack Surface?
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