CVE-2021-20598
Last modified
CVE-2021-20598 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.. EPSS estimates a 1.51% chance of exploitation in the next 30 days.
Description
Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://jvn.jp/vu/JVNVU98578731/index.htmlThird Party Advisory
- https://jvn.jp/vu/JVNVU98578731/index.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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