CVE-2023-50454

Summary: CVE-2023-50454 affects Zammad prior to 6.2.0. In several subsystems, SSL/TLS connections to external services are established without proper validation of hostname and certificate authority, enabling MITM attacks. The issue is documented across multiple feeds (including Red Hat, CNVD, NV...

CVE-2023-50457: Incorrect Authorization

An issue was discovered in Zammad before 6.2.0. When listing tickets linked to a knowledge base answer, or knowledge base answers of a ticket, a user could see entries for which they lack permissions...

CVE-2023-50456: URL Redirection to Untrusted Site

An issue was discovered in Zammad before 6.2.0. An attacker can trigger phishing links in generated notification emails via a crafted first or last name...

CVE-2023-50455: Allocation of Resources Without Limits or Throttling

An issue was discovered in Zammad before 6.2.0. Due to lack of rate limiting in the "email address verification" feature, an attacker could send many requests for a known address to cause Denial Of Service generation of many emails, which would also spam the victim...

CVE-2023-50454: Improper Certificate Validation

An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers...

CVE-2023-50453: Undefined Security Weakness

An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public...

CVE-2023-50456

An issue was discovered in Zammad before 6.2.0. An attacker can trigger phishing links in generated notification emails via a crafted first or last name...

CVE-2023-50455

An issue was discovered in Zammad before 6.2.0. Due to lack of rate limiting in the "email address verification" feature, an attacker could send many requests for a known address to cause Denial Of Service generation of many emails, which would also spam the victim...

CVE-2023-50454

An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers...

CVE-2023-31597

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets...

Design/Logic Flaw

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets...

Zammad 安全漏洞

Zammad is a suite of ticket management software from the German company Zammad. A security vulnerability exists in Zammad version v5.4.0, which stems from a vulnerability that allows an attacker to bypass email authentication and manipulate generated user's data using an arbitrary address, as wel...

CVE-2023-31597

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets...

CVE-2023-31597

CVE-2023-31597 (Zammad v5.4.0) : Multiple connected sources confirm a vulnerability where attackers can bypass email verification using an arbitrary address, manipulate the generated user’s data, and gain unauthorized access to existing tickets. Affected product is Zammad version 5.4.0; root caus...

CVE-2023-31597

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets...

PT-2023-23401 · Zammad · Zammad

Name of the Vulnerable Software and Affected Versions: Zammad version 5.4.0 Description: An issue in the software allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existin...

CVE-2023-31597: Incorrect Authorization

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets...

CVE-2023-31597

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets...

Zammad Access Control Error Vulnerability (CNVD-2023-36294)

Zammad is a Web-based open source help desk. Zammad suffers from an Access Control Error vulnerability that can be exploited by a remote attacker to submit a special request that can obtain sensitive information...

CVE-2023-29867

Zammad 5.3.x Fixed 5.4.0 is vulnerable to Incorrect Access Control. An authenticated attacker could gain information about linked accounts of users involved in their tickets using the Zammad API...