CVE-2021-44429
CVSS v3
7.5
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-11-29
Frequently asked questions
What is CVE-2021-44429?
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.
Is CVE-2021-44429 actively exploited?
Active exploitation of CVE-2021-44429 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-44429?
CVE-2021-44429 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-44429 affecting your environment?
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