CVE-2020-1778

Bypassing user account validation

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.

Cuando OTRS usa múltiples backends para la autenticación de usuarios (con LDAP), unos agentes pueden iniciar sesión incluso si la cuenta está ajustada como no válida. Este problema afecta a OTRS; versiones 8.0.9 y anteriores

*Credits: László Gyaraki

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-29 CVE Reserved
2020-11-23 CVE Published
2023-03-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://otrs.com/release-notes/otrs-security-advisory-2020-16	2020-12-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Otrs Search vendor "Otrs"		Otrs Search vendor "Otrs" for product "Otrs"				<= 8.0.9 Search vendor "Otrs" for product "Otrs" and version " <= 8.0.9"		-		Affected