High severity · published Oct 22, 2021
CVE-2021-42539
The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Wireless 1410 Gateway Firmware · Emerson
before 4.7.94 · source: NVD
W1
Wireless 1410d Gateway Firmware · Emerson
before 4.7.94 · source: NVD
W1
Wireless 1420 Gateway Firmware · Emerson
before 4.7.94 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42539
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42539
Patch
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02
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