CVE-2021-43521

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Buffer Overflow vulnerability exists in zlog 1.2.15 via zlog_conf_build_with_file in src/zlog/src/conf.c.

Se presenta una vulnerabilidad de desbordamiento del búfer en zlog versión 1.2.15, por medio de la función zlog_conf_build_with_file en el archivo src/zlog/src/conf.c

*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

2021-11-08 CVE Reserved
2022-04-08 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source
https://github.com/HardySimpson/zlog	Product

URL	Date	SRC
https://github.com/HardySimpson/zlog/issues/206	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
Zlog Project Search vendor "Zlog Project"		Zlog Search vendor "Zlog Project" for product "Zlog"				1.2.15 Search vendor "Zlog Project" for product "Zlog" and version "1.2.15"		-		Affected