CVSS: 5.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-20220 – undertow: Possible regression in fix for CVE-2020-10687
https://notcve.org/view.php?id=CVE-2021-20220
23 Feb 2021 — A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity. • https://bugzilla.redhat.com/show_bug.cgi?id=1923133 • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •
CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2020-27782 – undertow: special character in query results in server errors
https://notcve.org/view.php?id=CVE-2020-27782
25 Jan 2021 — A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1. Se encontró un fallo en el conector AJP de Undertow. • https://bugzilla.redhat.com/show_bug.cgi?id=1901304 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 5.8EPSS: 0%CPEs: 13EXPL: 0CVE-2020-10687 – Undertow: Incomplete fix for CVE-2017-2666 due to permitting invalid characters in HTTP requests
https://notcve.org/view.php?id=CVE-2020-10687
17 Aug 2020 — A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. Se detectó un fallo en todas las versiones de Undertow versiones anteriores a Undertow 2.2.0.Final, donde el tráfico malicioso de peticiones... • https://bugzilla.redhat.com/show_bug.cgi?id=1785049 • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •
CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 0CVE-2020-10705 – undertow: Memory exhaustion issue in HttpReadListener via "Expect: 100-continue" header
https://notcve.org/view.php?id=CVE-2020-10705
11 May 2020 — A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service. Se detectó una fallo en Undertow versiones anteriores a Undertow 2.1.1.Final, donde ciertas peticiones al encabezado "Expect: 100-continue" pueden causar un error de falta de memoria. Este defecto puede conllevar potencialmente a una denegación de servicio A flaw was discovered in Underto... • https://bugzilla.redhat.com/show_bug.cgi?id=1803241 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 6.5EPSS: 0%CPEs: 24EXPL: 0CVE-2020-10719 – undertow: invalid HTTP request with large chunk size
https://notcve.org/view.php?id=CVE-2020-10719
11 May 2020 — A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling. Se detectó un fallo en Undertow en versiones anteriores a 2.1.1.Final, con respecto al procesamiento de peticiones HTTP no válidas con tamaños de fragmentos grandes. Este fallo permite a un atacante tomar ventaja del tráfico no autorizado de peticiones HTTP. A flaw was found in Undertow, regarding the ... • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10719 • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •
CVSS: 8.1EPSS: 0%CPEs: 12EXPL: 0CVE-2020-1757 – undertow: servletPath is normalized incorrectly leading to dangerous application mapping which could result in security bypass
https://notcve.org/view.php?id=CVE-2020-1757
21 Apr 2020 — A flaw was found in all undertow-2.x.x SP1 versions prior to undertow-2.0.30.SP1, all undertow-1.x.x and undertow-2.x.x versions prior to undertow-2.1.0.Final, where the Servlet container causes servletPath to normalize incorrectly by truncating the path after semicolon which may lead to an application mapping resulting in the security bypass. Se encontró un fallo en todas las versiones undertow-2.x.x SP1 anteriores a undertow-2.0.30.SP1, en todas las versiones undertow-1.x.x y versiones undertow-2.x.x ante... • https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1757 • CWE-20: Improper Input Validation CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •