CVE-2021-23138

Levistudiou vulnerability

CVSS

7.8

EPSS

9.3%

EPSS pct

95th

Exploited

No known

WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code.

Affected vendor

We Con

Affected product

Levistudiou

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-121 — Stack-based Buffer Overflow
CWE-787 — Out-of-bounds Write

Published

2022-01-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 9.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2021-23138

Confirm whether We Con Levistudiou is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-23138.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-23138

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