CVE-2021-43983
published 2021-12-13CVE-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…
PriorityP343high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
2.74%
84.3th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| we-con | levistudiou | <= 2019-09-21 | — |
| wecon | levistudiou | All – 2019-09-21 | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-6f9g-vc76-v447: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which ma
ghsa_unreviewed·2021-12-14
CVE-2021-43983 [HIGH] CWE-787 GHSA-6f9g-vc76-v447: WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which ma
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.
CISA ICS
WECON LeviStudioU
cisa_ics·2021-12-09·CVSS 7.8
[HIGH] WECON LeviStudioU
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
WECON LeviStudioU
Last RevisedDecember 09, 2021
Alert CodeICSA-21-343-02
## 1. EXECUTIVE SUMMARY
- CVSS v3 7.8
- ATTENTION: Low attack complexity
- Vendor: WECON Technology Co., Ltd (WECON)
- Equipment: LeviStudioU
- Vulnerability: Stack-based Buffer Overflow
## 2. RISK EVALUATION
Successful exploitation of this vulnerability may allow arbitrary code execution.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
The following versions of LeviStudioU HMI programming software are affected:
- LeviStudioU: Versions 2019-09-21 and prior
## 3.2 VULNERABILITY OVERVIEW
## 3.2.1
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://www.cisa.gov/uscert/ics/advisories/icsa-21-343-02https://www.zerodayinitiative.com/advisories/ZDI-22-034/https://www.zerodayinitiative.com/advisories/ZDI-22-035/https://www.zerodayinitiative.com/advisories/ZDI-22-036/https://www.zerodayinitiative.com/advisories/ZDI-22-037/https://www.zerodayinitiative.com/advisories/ZDI-22-038/https://www.zerodayinitiative.com/advisories/ZDI-22-039/https://www.zerodayinitiative.com/advisories/ZDI-22-040/https://www.zerodayinitiative.com/advisories/ZDI-22-041/https://www.zerodayinitiative.com/advisories/ZDI-22-042/https://www.zerodayinitiative.com/advisories/ZDI-22-043/https://www.zerodayinitiative.com/advisories/ZDI-22-044/https://www.zerodayinitiative.com/advisories/ZDI-22-045/https://www.zerodayinitiative.com/advisories/ZDI-22-046/https://www.zerodayinitiative.com/advisories/ZDI-22-047/https://www.cisa.gov/uscert/ics/advisories/icsa-21-343-02https://www.zerodayinitiative.com/advisories/ZDI-22-034/https://www.zerodayinitiative.com/advisories/ZDI-22-035/https://www.zerodayinitiative.com/advisories/ZDI-22-036/https://www.zerodayinitiative.com/advisories/ZDI-22-037/https://www.zerodayinitiative.com/advisories/ZDI-22-038/https://www.zerodayinitiative.com/advisories/ZDI-22-039/https://www.zerodayinitiative.com/advisories/ZDI-22-040/https://www.zerodayinitiative.com/advisories/ZDI-22-041/https://www.zerodayinitiative.com/advisories/ZDI-22-042/https://www.zerodayinitiative.com/advisories/ZDI-22-043/https://www.zerodayinitiative.com/advisories/ZDI-22-044/https://www.zerodayinitiative.com/advisories/ZDI-22-045/https://www.zerodayinitiative.com/advisories/ZDI-22-046/https://www.zerodayinitiative.com/advisories/ZDI-22-047/
2021-12-13
Published