LOW
CVE-2021-38440
CWE-125Published: October 18, 2021· Updated: Jun 17, 2026
3.3
CVSS v3.1
Official Description
FATEK Automation WinProladder versions 3.30 and prior is vulnerable to an out-of-bounds read, which may allow an attacker to read unauthorized information.
Technical Analysis
CVE-2021-38440 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected Vendors & Products
fatek1 product(s)
winproladder
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06Third Party Advisory · US Government Resource
→
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2021-38440
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedOct 18, 2021
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-38440 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.