CVE-2021-20599
Last modified
CVE-2021-20599 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.
Description
Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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/JVNVU98578731Third Party Advisory
- https://jvn.jp/vu/JVNVU98578731Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20599?
How severe is CVE-2021-20599?
How do I fix CVE-2021-20599?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-20593Incorrect Implementation of Authentication Algorithm in Mits…7.1
- CVE-2021-20594Exposure of Sensitive Information to an Unauthorized Actor v…7.5
- CVE-2021-20595Improper Restriction of XML External Entity Reference vulner…8.2
- CVE-2021-20596NULL Pointer Dereference in MELSEC-F Series FX3U-ENET firmwa…7.5
- CVE-2021-20597Insufficiently Protected Credentials vulnerability in Mitsub…9.1
- CVE-2021-20598Overly Restrictive Account Lockout Mechanism vulnerability i…5.3
- CVE-2021-2060Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2021-20600Uncontrolled resource consumption in Mitsubishi Electric MEL…5.9
- CVE-2021-20601Improper input validation vulnerability in GOT2000 series GT…7.5
- CVE-2021-20602Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-20603Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-20604Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
Are you affected by CVE-2021-20599?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
