CVE-2021-30129

DoS/OOM leak vulnerability in Apache Mina SSHD Server

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in sshd-core of Apache Mina SSHD allows an attacker to overflow the server causing an OutOfMemory error. This issue affects the SFTP and port forwarding features of Apache Mina SSHD version 2.0.0 and later versions. It was addressed in Apache Mina SSHD 2.7.0

Una vulnerabilidad en sshd-core de Apache Mina SSHD, permite a un atacante desbordar el servidor causando un error de tipo OutOfMemory. Este problema afecta a las funcionalidades SFTP y port forwarding de Apache Mina SSHD versión 2.0.0 y posteriores. Se ha solucionado en Apache Mina SSHD versión 2.7.0

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-04-05 CVE Reserved
2021-07-12 CVE Published
2024-03-14 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-772: Missing Release of Resource after Effective Lifetime

CAPEC

References (7)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2021/07/12/1	Mailing List
https://lists.apache.org/thread.html/red01829efa2a8c893c4baff4f23c9312bd938543a9b8658e172b853b%40%3Cannounce.apache.org%3E	Mailing List
https://www.oracle.com/security-alerts/cpujul2022.html	X_refsource_misc

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpuapr2022.html	2023-11-07

URL	Date	SRC
https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f%40%3Cusers.mina.apache.org%3E	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-30129	2023-09-05
https://bugzilla.redhat.com/show_bug.cgi?id=1981527	2023-09-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Sshd Search vendor "Apache" for product "Sshd"				>= 2.0.0 < 2.7.0 Search vendor "Apache" for product "Sshd" and version " >= 2.0.0 < 2.7.0"		-		Affected
Oracle Search vendor "Oracle"		Banking Payments Search vendor "Oracle" for product "Banking Payments"				14.5 Search vendor "Oracle" for product "Banking Payments" and version "14.5"		-		Affected
Oracle Search vendor "Oracle"		Banking Trade Finance Search vendor "Oracle" for product "Banking Trade Finance"				14.5 Search vendor "Oracle" for product "Banking Trade Finance" and version "14.5"		-		Affected
Oracle Search vendor "Oracle"		Banking Treasury Management Search vendor "Oracle" for product "Banking Treasury Management"				14.5 Search vendor "Oracle" for product "Banking Treasury Management" and version "14.5"		-		Affected
Oracle Search vendor "Oracle"		Communications Cloud Native Core Console Search vendor "Oracle" for product "Communications Cloud Native Core Console"				1.9.0 Search vendor "Oracle" for product "Communications Cloud Native Core Console" and version "1.9.0"		-		Affected
Oracle Search vendor "Oracle"		Flexcube Universal Banking Search vendor "Oracle" for product "Flexcube Universal Banking"				>= 14.0.0 <= 14.3.0 Search vendor "Oracle" for product "Flexcube Universal Banking" and version " >= 14.0.0 <= 14.3.0"		-		Affected
Oracle Search vendor "Oracle"		Flexcube Universal Banking Search vendor "Oracle" for product "Flexcube Universal Banking"				14.5 Search vendor "Oracle" for product "Flexcube Universal Banking" and version "14.5"		-		Affected
Oracle Search vendor "Oracle"		Middleware Common Libraries And Tools Search vendor "Oracle" for product "Middleware Common Libraries And Tools"				12.2.1.3.0 Search vendor "Oracle" for product "Middleware Common Libraries And Tools" and version "12.2.1.3.0"		-		Affected
Oracle Search vendor "Oracle"		Middleware Common Libraries And Tools Search vendor "Oracle" for product "Middleware Common Libraries And Tools"				12.2.1.4.0 Search vendor "Oracle" for product "Middleware Common Libraries And Tools" and version "12.2.1.4.0"		-		Affected
Oracle Search vendor "Oracle"		Middleware Common Libraries And Tools Search vendor "Oracle" for product "Middleware Common Libraries And Tools"				14.1.1.0.0 Search vendor "Oracle" for product "Middleware Common Libraries And Tools" and version "14.1.1.0.0"		-		Affected
Oracle Search vendor "Oracle"		Oss Support Tools Search vendor "Oracle" for product "Oss Support Tools"				2.12.42 Search vendor "Oracle" for product "Oss Support Tools" and version "2.12.42"		-		Affected
Oracle Search vendor "Oracle"		Retail Customer Management And Segmentation Foundation Search vendor "Oracle" for product "Retail Customer Management And Segmentation Foundation"				18.0 Search vendor "Oracle" for product "Retail Customer Management And Segmentation Foundation" and version "18.0"		-		Affected
Oracle Search vendor "Oracle"		Retail Customer Management And Segmentation Foundation Search vendor "Oracle" for product "Retail Customer Management And Segmentation Foundation"				19.0 Search vendor "Oracle" for product "Retail Customer Management And Segmentation Foundation" and version "19.0"		-		Affected