CVE-2021-35067
HIGHCVSS 8.1/10EPSS 0.91%
Last modified
CVE-2021-35067 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Meross MSG100 devices before 3.2.3 allow an attacker to replay the same data or similar data (e.g., an attacker who sniffs a Close message can transmit an acceptable Open message).. EPSS estimates a 0.91% chance of exploitation in the next 30 days.
Description
Meross MSG100 devices before 3.2.3 allow an attacker to replay the same data or similar data (e.g., an attacker who sniffs a Close message can transmit an acceptable Open message).
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Meross | Msg100 Firmware | < 3.2.3 |
References
- https://infosec.rm-it.de/2021/06/18/meross-smart-wi-fi-garage-door-opener-analysis/Exploit, Third Party Advisory
- https://infosec.rm-it.de/?p=878&preview=1&_ppp=219bc85c2fExploit, Third Party Advisory
- https://infosec.rm-it.de/2021/06/18/meross-smart-wi-fi-garage-door-opener-analysis/Exploit, Third Party Advisory
- https://infosec.rm-it.de/?p=878&preview=1&_ppp=219bc85c2fExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35067?
Meross MSG100 devices before 3.2.3 allow an attacker to replay the same data or similar data (e.g., an attacker who sniffs a Close message can transmit an acceptable Open message).
How severe is CVE-2021-35067?
CVE-2021-35067 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35067?
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.
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.
- 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-2021-35061Multiple cross-site scripting (XSS) vulnerabilities in DRK O…6.1
- CVE-2021-35062A Shell Metacharacter Injection vulnerability in result.php …8.1
- CVE-2021-35063Suricata before 5.0.7 and 6.x before 6.0.3 has a "critical e…7.5
- CVE-2021-35064KramerAV VIAWare, all tested versions, allow privilege escal…9.8
- CVE-2021-35065The glob-parent package before 6.0.1 for Node.js allows ReDo…7.5
- CVE-2021-35066An XXE vulnerability exists in ConnectWise Automate before 2…9.8
- CVE-2021-35068Lack of null check while freeing the device information buff…9.8
- CVE-2021-35069Improper validation of data length received from DMA buffer …7.8
- CVE-2021-3507A heap buffer overflow was found in the floppy disk emulator…6.1
- CVE-2021-35070RPM secure Stream can access any secure resource due to impr…5.5
- CVE-2021-35071Possible buffer over read due to lack of size validation whi…5.5
- CVE-2021-35072Possible buffer overflow due to improper validation of array…7.8
Are you affected by CVE-2021-35067?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST