High severity · published Nov 22, 2021
CVE-2021-42707
PLC Editor Versions 1.3.8 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code
7.8
CVSS
1%
EPSS
No
On KEV
Description
PLC Editor Versions 1.3.8 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PE
Plc Editor · We-con
through 1.3.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42707
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42707
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01
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