56.705 CVE tracked
777 Exploited now
183 Used by ransomware
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Search: proxy
385 CVE
| Identifier | Severity, sort descending | Product and flaw | EPSS, sort descending | In KEV since, sort descending |
|---|---|---|---|---|
| CVE-2023-4966 | CRIT 9.4 | ransomware citrix netscaler_application_delivery_controller Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. | 100.0% | |
| CVE-2021-40438 | CRIT 9.0 | ransomware apache http_server A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier. | 100.0% | |
| CVE-2025-5777 | HIGH 7.5 | ransomware citrix netscaler_application_delivery_controller Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server | 100.0% | |
| CVE-2021-22017 | MED 5.3 | vmware vcenter_server Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being acc | 49.2% | |
| CVE-2018-13383 | MED 4.3 | ransomware fortinet fortios A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users d | 33.6% | |
| CVE-2023-36802 | HIGH 7.8 | microsoft windows_10_1809 Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability | 26.1% | |
| CVE-2025-7775 | CRIT 9.8 | citrix netscaler_application_delivery_controller Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server (OR) NetScaler ADC a | 19.6% | |
| CVE-2025-6543 | CRIT 9.8 | citrix netscaler_application_delivery_controller Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server | 10.1% | |
| CVE-2025-24472 | HIGH 8.1 | ransomware fortinet fortios An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream an | 7.0% | |
| CVE-2026-8452 | CRIT 9.8 | citrix netscaler_application_delivery_controller Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server | 1.6% | |
| CVE-2024-31309 | HIGH 7.5 | apache traffic_server HTTP/2 CONTINUATION DoS attack can cause Apache Traffic Server to consume more resources on the server. Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are affected. Users can set a new setting (proxy.config.http2.max_continuation_frames_per_minut | 94.6% | — |
| CVE-2007-0450 | MED 5.0 | apache http_server Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with comb | 90.8% | — |
| CVE-2011-3368 | MED 5.0 | apache http_server The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows | 90.7% | — |
| CVE-2018-11759 | HIGH 7.5 | apache tomcat_jk_connector The Apache Web Server (httpd) specific code that normalised the requested path before matching it to the URI-worker map in Apache Tomcat JK (mod_jk) Connector 1.2.0 to 1.2.44 did not handle some edge cases correctly. If only a sub-set of the URLs supported by | 90.6% | — |
| CVE-2020-11984 | CRIT 9.8 | apache http_server Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE | 90.0% | — |
| CVE-2023-25690 | CRIT 9.8 | apache http_server Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pa | 84.5% | — |
| CVE-2021-44224 | HIGH 8.2 | apache http_server A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Sock | 82.3% | — |
| CVE-2019-10092 | MED 6.1 | apache http_server In Apache HTTP Server 2.4.0-2.4.39, a limited cross-site scripting issue was reported affecting the mod_proxy error page. An attacker could cause the link on the error page to be malformed and instead point to a page of their choice. This would only be exploit | 81.5% | — |
| CVE-2009-0077 | MED 5.0 | microsoft forefront_threat_management_gateway The firewall engine in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2004 SP3, 2006, 2006 Supportability Update, and 2006 SP1; does not properly manage the session state of | 78.5% | — |
| CVE-2023-38545 | CRIT 9.8 | fedoraproject fedora This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that host na | 78.5% | — |
| CVE-2016-3236 | CRIT 9.8 | microsoft windows_10 The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mishandles proxy discovery | 76.8% | — |
| CVE-2021-33037 | MED 5.3 | apache tomcat Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - To | 75.4% | — |
| CVE-2004-0751 | MED 5.0 | apache http_server The char_buffer_read function in the mod_ssl module for Apache 2.x, when using reverse proxying to an SSL server, allows remote attackers to cause a denial of service (segmentation fault). | 72.3% | — |
| CVE-2016-3213 | HIGH 8.8 | microsoft internet_explorer The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold and 1511, and Internet Explorer 9 throu | 66.9% | — |
| CVE-2021-36160 | HIGH 7.5 | apache http_server A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive). | 62.9% | — |