CVE-2021-43983
HIGHCVSS 7.8/10EPSS 2.74%
Last modified
CVE-2021-43983 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.. EPSS estimates a 2.74% chance of exploitation in the next 30 days.
Description
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary 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-21-343-02Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-22-034/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-035/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-036/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-037/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-038/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-039/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-040/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-041/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-042/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-043/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-044/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-045/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-046/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-047/Third Party Advisory, VDB Entry
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-343-02Third Party Advisory, US Government Resource
- https://www.zerodayinitiative.com/advisories/ZDI-22-034/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-035/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-036/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-037/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-038/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-039/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-040/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-041/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-042/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-043/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-044/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-045/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-046/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-22-047/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43983?
WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.
How severe is CVE-2021-43983?
CVE-2021-43983 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.74% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43983?
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-2021-43978Allegro WIndows 3.3.4152.0, embeds software administrator da…8.1
- CVE-2021-43979Styra Open Policy Agent (OPA) Gatekeeper through 3.7.0 misha…5.3
- CVE-2021-4398The Amministrazione Trasparente plugin for WordPress is vuln…4.3
- CVE-2021-43980The simplified implementation of blocking reads and writes i…3.7
- CVE-2021-43981mySCADA myPRO: Versions 8.20.0 and prior has a feature to se…9.8
- CVE-2021-43982Delta Electronics CNCSoft Versions 1.01.30 and prior are vul…7.8
- CVE-2021-43984mySCADA myPRO: Versions 8.20.0 and prior has a feature where…9.8
- CVE-2021-43985An unauthenticated remote attacker can access mySCADA myPRO …9.8
- CVE-2021-43986The setup program for the affected product configures its fi…7
- CVE-2021-43987An additional, nondocumented administrative account exists i…9.8
- CVE-2021-43988The affected product is vulnerable to a network-based attack…5.9
- CVE-2021-43989mySCADA myPRO Versions 8.20.0 and prior stores passwords usi…7.5
Are you affected by CVE-2021-43983?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST