CVE-2021-44429

HIGH
Published Nov 29, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 29, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

VendorProductVersionRange
vercotserva4.4.0any

References 1

  • packetstormsecurity.com https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-Overflow.html
    ExploitThird Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.