High severity · published Jan 14, 2022
CVE-2021-23138
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code
7.8
CVSS
8.6%
EPSS
No
On KEV
Description
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute 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)8.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Levistudiou · We-con
through 2019-09-21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23138
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23138
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-129/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-131/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-133/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-134/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-135/
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