CVE-2021-23157
HIGHCVSS 7.8/10EPSS 8.23%
Last modified
CVE-2021-23157 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 8.23% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| We-Con | Levistudiou | <= 2019-09-21 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-22-130/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-132/Third Party Advisory, VDB Entry
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-03Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-22-130/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-132/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23157?
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.
How severe is CVE-2021-23157?
CVE-2021-23157 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 8.23% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23157?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-23157?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST