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TI-2021-20043 Aliases CVE-2021-44429GHSA-vj55-m9gh-hjm2

Serva 4.4.0 allows remote attackers to cause a denial of service (daemon crash) via a…

Priority LOW 37CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Serva 4.4.0 allows remote attackers to cause a denial of service (daemon crash) via a TFTP read (RRQ) request, aka opcode 1, a related issue to CVE-2013-0145.

Why it matters now

EPSS 0.01922 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vercot:serva:4.4.0:*:*:*:*:*:*:*4.4.0VulnerableVercot
  • cpe:2.3:a:vercot:serva:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Vercot

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44429
  2. 2026-10-03 Alias added: GHSA-vj55-m9gh-hjm2

References

Exploit 1

  • TI-2024-25165 A NULL pointer dereference in vercot Serva v4.6.0 allows attackers to cause a Denial of… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences