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CVE-2021-38449: AUVESY Versiondog

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-22 · updated 2026-06-17
• Weakness: CWE-123

Description

Some API functions permit by-design writing or copying data into a given buffer. Since the client controls these parameters, an attacker could rewrite the memory in any location of the affected product.

Affected products

• AUVESY Versiondog: through 8.0.0

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01
• https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01

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