CVE-2021-29842

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.

IBM WebSphere Application Server versiones 7.0, 8.0, 8.5, 9.0 y Liberty versiones 17.0.0.3 hasta 21.0.0.9, podrían permitir a un usuario remoto enumerar nombres de usuario debido a una diferencia de respuestas de intentos de inicio de sesión válidos y no válidos. IBM X-Force ID: 205202

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-31 CVE Reserved
2021-09-16 CVE Published
2024-09-17 CVE Updated
2024-09-19 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-307: Improper Restriction of Excessive Authentication Attempts

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.ibm.com/support/pages/node/6489485	2021-09-27

URL	Date	SRC
https://exchange.xforce.ibmcloud.com/vulnerabilities/205202	2021-09-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ibm Search vendor "Ibm"		Websphere Application Server Search vendor "Ibm" for product "Websphere Application Server"				>= 7.0.0.0 <= 7.0.0.45 Search vendor "Ibm" for product "Websphere Application Server" and version " >= 7.0.0.0 <= 7.0.0.45"		-		Affected
Ibm Search vendor "Ibm"		Websphere Application Server Search vendor "Ibm" for product "Websphere Application Server"				>= 8.0.0.0 <= 8.0.0.15 Search vendor "Ibm" for product "Websphere Application Server" and version " >= 8.0.0.0 <= 8.0.0.15"		-		Affected
Ibm Search vendor "Ibm"		Websphere Application Server Search vendor "Ibm" for product "Websphere Application Server"				>= 8.5 <= 8.5.5.20 Search vendor "Ibm" for product "Websphere Application Server" and version " >= 8.5 <= 8.5.5.20"		-		Affected
Ibm Search vendor "Ibm"		Websphere Application Server Search vendor "Ibm" for product "Websphere Application Server"				>= 9.0.0.0 <= 9.0.5.9 Search vendor "Ibm" for product "Websphere Application Server" and version " >= 9.0.0.0 <= 9.0.5.9"		-		Affected
Ibm Search vendor "Ibm"		Websphere Application Server Search vendor "Ibm" for product "Websphere Application Server"				>= 17.0.0.3 <= 21.0.0.9 Search vendor "Ibm" for product "Websphere Application Server" and version " >= 17.0.0.3 <= 21.0.0.9"		liberty		Affected