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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-23150Authenticated (admin+) Stored Cross-Site Scripting (XSS) vul…4.8
- CVE-2021-23151Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-23152Improper access control in the Intel(R) Advisor software bef…7.8
- CVE-2021-23154In Lens prior to 5.3.4, custom helm chart configuration crea…7.8
- CVE-2021-23155Improper validation of the cloud certificate chain in Mobile…6.8
- CVE-2021-23156Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-23158A flaw was found in htmldoc in v1.9.12. Double-free in funct…9.8
- CVE-2021-23159A vulnerability was found in SoX, where a heap-buffer-overfl…5.5
- CVE-2021-2316Vulnerability in the Oracle HRMS (France) product of Oracle …8.1
- CVE-2021-23161Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-23162Improper validation of the cloud certificate chain in Mobile…8.1
- CVE-2021-23163JFrog Artifactory prior to version 7.33.6 and 6.23.38, is vu…8.8
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