CVE-2021-42540
HIGHCVSS 8.8/10EPSS 0.97%
Last modified
CVE-2021-42540 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.
Description
The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Emerson | Wireless 1410 Gateway Firmware | < 4.7.94 |
| Emerson | Wireless 1410d Gateway Firmware | < 4.7.94 |
| Emerson | Wireless 1420 Gateway Firmware | < 4.7.94 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02Patch, Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02Patch, Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42540?
The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.
How severe is CVE-2021-42540?
CVE-2021-42540 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42540?
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-2021-42540?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST