CVE-2021-42538
Emerson WirelessHART Gateway
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Emerson WirelessHART Gateway
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
- Record
CVE-2021-42538- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2021-29507
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
- Record
EUVD-2021-29507- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qj5v-xpm2-83w9
The affected product is vulnerable to a parameter injection via passphrase, which enables the...
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
- Record
GHSA-qj5v-xpm2-83w9- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77, CWE-78
- Updated
- 2026-11-02
NVD
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
- Record
CVE-2021-42538- CVSS 3.1
- 8.0 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-78, CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42538 is a high vulnerability (CVSS 8.0) in Emerson Wirelesshart Gateway, published October 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.