CVE-2021-44429

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Serva versión 4.4.0, permite a atacantes remotos causar una denegación de servicio (bloqueo de demonio) por medio de una petición de lectura TFTP (RRQ), también se conoce como opcode 1, un problema relacionado con CVE-2013-0145

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-29 CVE Reserved
2021-11-29 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-Overflow.html	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Vercot Search vendor "Vercot"		Serva Search vendor "Vercot" for product "Serva"				4.4.0 Search vendor "Vercot" for product "Serva" and version "4.4.0"		-		Affected