Vulnerability Details : 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.
Products affected by CVE-2021-42540
- cpe:2.3:o:emerson:wireless_1420_gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:emerson:wireless_1410_gateway_firmware:*:*:*:*:*:*:*:*When used together with: Emerson » Wireless 1410 Gateway
- cpe:2.3:o:emerson:wireless_1410d_gateway_firmware:*:*:*:*:*:*:*:*When used together with: Emerson » Wireless 1410d Gateway
Exploit prediction scoring system (EPSS) score for CVE-2021-42540
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42540
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.0
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
ICS-CERT | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-42540
-
Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow.Assigned by: ics-cert@hq.dhs.gov (Primary)
References for CVE-2021-42540
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02
Emerson WirelessHART Gateway | CISAPatch;Third Party Advisory;US Government Resource
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