CVE-2021-44429 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

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

Affected Products

Vendor	Product	Versions
Vercot	Serva	4.4.0

Related Weaknesses (CWE)

CWE-120

References

https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-OverExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-OverExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2021-44429?

CVE-2021-44429 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2021-44429?

CVE-2021-44429 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-44429?

Check the references section above for vendor advisories and patch information. Affected products include: Vercot Serva.