Authorization Bypass

haproxy is vulnerable to authorization bypass. Lack of validation of the HTTP Host header could potentially result in bypass of access controls due to a mishandling of the Host and authority...

CVE-2021-39242

haproxy was found to be vulnerable to HTTP host header attack: This problem creates a scenario in which it's possible to drop the Host header and use the authority only after forwarding to a second http2 layer, possibly causing two differing values of Host at a different stage. The highest threat...

CVE-2021-39242

An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled...

Design/Logic Flaw

An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled...

CVE-2021-39242

HAProxy contains a vulnerability (CVE-2021-39242) affecting 2.2 prior to 2.2.16, 2.3 prior to 2.3.13, and 2.4 prior to 2.4.3 where mismatch between Host and authority can allow an attacker-controlled HTTP Host header. Reports indicate this could enable manipulation of requests and potential impac...

CVE-2021-39242

An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled...

CVE-2021-38751

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM...

CVE-2021-38751

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM...

Hardcoded credentials

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM...

CVE-2021-38751

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM...

CVE-2021-38751

CVE-2021-38751 describes a host header injection in ExponentCMS 2.6 and earlier, exploitable via the file /exponent_constants.php. A crafted HTTP Host header can cause links on the page to be rewritten to arbitrary values, creating a potential MITM attack vector. The publicly referenced sources (...

CVE-2021-38751: Improper Encoding or Escaping of Output

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM...

CVE-2021-36371

Emissary-Ingress formerly Ambassador API Gateway through 1.13.9 allows attackers to bypass client certificate requirements i.e., mTLS certrequired on backend upstreams when more than one TLSContext is defined and at least one configuration exists that does not require client certificate...

Design/Logic Flaw

Emissary-Ingress formerly Ambassador API Gateway through 1.13.9 allows attackers to bypass client certificate requirements i.e., mTLS certrequired on backend upstreams when more than one TLSContext is defined and at least one configuration exists that does not require client certificate...

CVE-2021-36371

CVE-2021-36371 is reported for Emissary-Ingress (formerly Ambassador API Gateway). The vulnerability allows bypassing client certificate requirements (mTLS cert_required) on backend upstreams when more than one TLSContext exists and any configuration does not require client cert authentication. T...

Machform HTTP Host Header Injection Vulnerability

MachForm is an HTML form builder that lets you create contact forms, surveys, order forms or any other web form without writing code. An HTTP host header injection vulnerability exists in versions prior to Machform 16. The vulnerability stems from improper validation of the host header. An attack...

CVE-2021-20101

Machform prior to version 16 is vulnerable to HTTP host header injection due to improperly validated host headers. This could cause a victim to receive malformed content...

Design/Logic Flaw

Machform prior to version 16 is vulnerable to HTTP host header injection due to improperly validated host headers. This could cause a victim to receive malformed content...

CVE-2021-20101

Machform prior to version 16 is vulnerable to HTTP host header injection due to improperly validated host headers. This could cause a victim to receive malformed content...

CVE-2021-20101: Improper Neutralization of Special Elements in Output Used by a Downstream Component

Machform prior to version 16 is vulnerable to HTTP host header injection due to improperly validated host headers. This could cause a victim to receive malformed content...