CVE-2021-38473Network attack vector

Authenticated remote code execution via unchecked arguments

Published Oct 22, 2021 · Updated Sep 16, 2024

Stack overflow in AUVESY versiondog 8.0 and earlier allows remote authenticated users to execute code via crafted function arguments. Published material does not identify the affected functions; it states only that their arguments are not properly controlled and can overflow the stack. Exploitation requires low privileges and user interaction and can provide complete control of the host.

CVSS severity8.0
High
EPSS probability0.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in AUVESY versiondog 8.0 and earlier allows remote authenticated users to execute code via crafted function arguments. Published material does not identify the affected functions; it states only that their arguments are not properly controlled and can overflow the stack. Exploitation requires low privileges and user interaction and can provide complete control of the host.

The record

CVE
CVE-2021-38473
Published
Oct 22, 2021
Updated
Sep 16, 2024
Vendor
AUVESY
Product
versiondog
Classifications
CWE-119, CWE-787, T1210
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 22, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All <=8.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

AUVESY · versiondogversion=All <=8.0

Published CVSS scores

8.0ICS-CERTCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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