Vulnerability · Published Oct 22, 2021 · Assigned by icscert
CVE-2021-42540Emerson WirelessHART Gateway
High 8.0
In plain English
A high-severity security flaw in WirelessHART Gateway from Emerson. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)1.0%top 36.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Emerson | WirelessHART Gateway | 1410 – through 4.7.941410D – through 4.7.941420 – through 4.7.94 |
Weakness: CWE-123 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02 x_refsource_CONFIRM