CVE-2023-2846
CRITICALCVSS 9.1/10EPSS 0.92%
Last modified
CVE-2023-2846 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.
Description
Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mitsubishielectric | Fx3u-16mr\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-16mt\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-16mt\/Ess Firmware | All versions |
| Mitsubishielectric | Fx3u-32mr\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-32mt\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-32mt\/Ess Firmware | All versions |
| Mitsubishielectric | Fx3u-48mr\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-48mt\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-48mt\/Ess Firmware | All versions |
| Mitsubishielectric | Fx3u-64mr\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-64mt\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-64mt\/Ess Firmware | All versions |
| Mitsubishielectric | Fx3u-80mr\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-80mt\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-80mt\/Ess Firmware | All versions |
| Mitsubishielectric | Fx3u-128mr\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-128mt\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-128mt\/Ess Firmware | All versions |
| Mitsubishielectric | Fx3u-16mr\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-16mt\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-16mt\/Dss Firmware | All versions |
| Mitsubishielectric | Fx3u-32mr\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-32mt\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-32mt\/Dss Firmware | All versions |
| Mitsubishielectric | Fx3u-48mr\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-48mt\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-48mt\/Dss Firmware | All versions |
| Mitsubishielectric | Fx3u-64mr\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-64mt\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-64mt\/Dss Firmware | All versions |
| Mitsubishielectric | Fx3u-80mr\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-80mt\/Ds Firmware | All versions |
| Mitsubishielectric | Fx3u-80mt\/Dss Firmware | All versions |
| Mitsubishielectric | Fx3u-32mr\/Ua1 Firmware | All versions |
| Mitsubishielectric | Fx3u-64mr\/Ua1 Firmware | All versions |
| Mitsubishielectric | Fx3u-32ms\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-64ms\/Es Firmware | All versions |
| Mitsubishielectric | Fx3u-16mr\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-16mt\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-32mr\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-32mt\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-48mr\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-48mt\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-64mr\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-64mt\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-80mr\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-80mt\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-128mr\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3u-128mt\/Es-A Firmware | All versions |
| Mitsubishielectric | Fx3uc-16mt\/D Firmware | All versions |
Showing 50 of 150 affected configurations. See NVD for the full list.
References
- https://jvn.jp/vu/JVNVU94519952Mitigation, Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-04Mitigation, Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-005_en.pdfMitigation, Vendor Advisory
- https://jvn.jp/vu/JVNVU94519952Mitigation, Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-04Mitigation, Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-005_en.pdfMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-2846?
Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.
How severe is CVE-2023-2846?
CVE-2023-2846 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2023-2846?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-2846?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST