CVE-2020-14387

Gentoo Linux Security Advisory 202405-22

Severity Score

7.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in rsync in versions since 3.2.0pre1. Rsync improperly validates certificate with host mismatch vulnerability. A remote, unauthenticated attacker could exploit the flaw by performing a man-in-the-middle attack using a valid certificate for another hostname which could compromise confidentiality and integrity of data transmitted using rsync-ssl. The highest threat from this vulnerability is to data confidentiality and integrity. This flaw affects rsync versions before 3.2.4.

Se encontró un fallo en rsync en versiones desde 3.2.0pre1. Rsync comprueba inapropiadamente el certificado con vulnerabilidad de discrepancia de host. Un atacante remoto no autenticado podría explotar el fallo llevando a cabo un de tipo ataque de tipo man-in-the-middle usando un certificado válido para otro nombre de host que podría comprometer la confidencialidad e integridad de los datos transmitidos usando rsync-ssl. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos. Este fallo afecta a rsync versiones anteriores a 3.2.4

Multiple vulnerabilities have been discovered in rsync, the worst of which can lead to denial of service or information disclosure. Versions greater than or equal to 3.2.5_pre1 are affected.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-06-17 CVE Reserved
2021-05-27 CVE Published
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-297: Improper Validation of Certificate with Host Mismatch

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1875549	2021-06-09

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Samba Search vendor "Samba"		Rsync Search vendor "Samba" for product "Rsync"				>= 3.2.1 < 3.2.4 Search vendor "Samba" for product "Rsync" and version " >= 3.2.1 < 3.2.4"		-		Affected
Samba Search vendor "Samba"		Rsync Search vendor "Samba" for product "Rsync"				3.2.0 Search vendor "Samba" for product "Rsync" and version "3.2.0"		-		Affected
Samba Search vendor "Samba"		Rsync Search vendor "Samba" for product "Rsync"				3.2.0 Search vendor "Samba" for product "Rsync" and version "3.2.0"		pre1		Affected
Samba Search vendor "Samba"		Rsync Search vendor "Samba" for product "Rsync"				3.2.0 Search vendor "Samba" for product "Rsync" and version "3.2.0"		pre2		Affected
Samba Search vendor "Samba"		Rsync Search vendor "Samba" for product "Rsync"				3.2.0 Search vendor "Samba" for product "Rsync" and version "3.2.0"		pre3		Affected