CVE-2021-23157
WECON LeviStudioU
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WECON LeviStudioU
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
- Record
CVE-2021-23157- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2021-10269
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
- Record
EUVD-2021-10269- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mv25-j7gj-c8p5 No score
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow,...
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
- Record
GHSA-mv25-j7gj-c8p5- Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.
- Record
CVE-2021-23157- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-122, CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23157 is a high vulnerability (CVSS 7.8) in We-con Levistudiou, published January 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.61%, the 94th percentile. No source names a fixed version.