{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/freerdp/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["freerdp","vulnerability","rdp"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eMultiple vulnerabilities have been identified in FreeRDP, a free remote desktop protocol implementation. An unauthenticated remote attacker can exploit these vulnerabilities to achieve several malicious outcomes. While the specific CVEs and technical details of these vulnerabilities are not disclosed in this brief, the potential impact includes arbitrary code execution, denial-of-service (DoS), data manipulation, and information disclosure. FreeRDP is widely used, so these vulnerabilities have a potentially broad impact.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable FreeRDP server exposed to the network.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious RDP request targeting a specific FreeRDP vulnerability.\u003c/li\u003e\n\u003cli\u003eThe vulnerable FreeRDP server processes the malicious request.\u003c/li\u003e\n\u003cli\u003eIf the vulnerability is an arbitrary code execution flaw, the attacker injects and executes malicious code on the server.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the executed code to gain further access to the system.\u003c/li\u003e\n\u003cli\u003eThe attacker may attempt to escalate privileges.\u003c/li\u003e\n\u003cli\u003eThe attacker could manipulate sensitive data or exfiltrate it.\u003c/li\u003e\n\u003cli\u003eThe attacker could cause a denial-of-service condition, disrupting RDP services.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these FreeRDP vulnerabilities can lead to a range of severe consequences, including complete system compromise through remote code execution. Data manipulation can corrupt critical information, while data exfiltration can lead to significant financial and reputational damage. Denial-of-service attacks can disrupt business operations and impact user productivity. The scope of impact depends on the specific vulnerabilities exploited and the targeted systems.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor RDP traffic for anomalous patterns and unexpected data within RDP sessions using a network intrusion detection system.\u003c/li\u003e\n\u003cli\u003eImplement rate limiting on RDP connections to mitigate potential denial-of-service attacks.\u003c/li\u003e\n\u003cli\u003eReview and harden FreeRDP configurations to minimize the attack surface, specifically focusing on disabling unnecessary features.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules below to your SIEM to detect potential exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-21T08:04:45Z","date_published":"2026-04-21T08:04:45Z","id":"/briefs/2026-04-freerdp-vulns/","summary":"An anonymous remote attacker can exploit multiple vulnerabilities in FreeRDP to potentially execute arbitrary code, cause a denial-of-service condition, manipulate data, disclose confidential information, or perform other unspecified attacks.","title":"Multiple Vulnerabilities in FreeRDP Allow Remote Code Execution and DoS","url":"https://feed.craftedsignal.io/briefs/2026-04-freerdp-vulns/"},{"_cs_actors":[],"_cs_cves":[{"cvss":7.1,"id":"CVE-2026-33982"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["medium"],"_cs_tags":["freerdp","heap-buffer-overflow","cve-2026-33982","rdp"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCVE-2026-33982 is a heap-buffer-overflow READ vulnerability affecting FreeRDP, a widely used open-source implementation of the Remote Desktop Protocol (RDP). The vulnerability exists in versions prior to 3.24.2 and is located within the \u003ccode\u003ewinpr_aligned_offset_recalloc()\u003c/code\u003e function. Specifically, the flaw occurs due to an out-of-bounds read 24 bytes before the allocated buffer, which could be triggered during specific RDP operations involving memory reallocation. Successful exploitation can lead…\u003c/p\u003e\n","date_modified":"2026-03-30T22:16:19Z","date_published":"2026-03-30T22:16:19Z","id":"/briefs/2026-03-freerdp-heap-overflow/","summary":"A heap-buffer-overflow read vulnerability exists in FreeRDP versions prior to 3.24.2, specifically in the winpr_aligned_offset_recalloc() function, potentially leading to denial of service or information disclosure.","title":"FreeRDP Heap-Buffer-Overflow Vulnerability (CVE-2026-33982)","url":"https://feed.craftedsignal.io/briefs/2026-03-freerdp-heap-overflow/"},{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["freerdp","rdp","vulnerability","denial-of-service","code-execution"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eMultiple vulnerabilities exist within FreeRDP, a free implementation of the Remote Desktop Protocol (RDP). An unauthenticated, remote attacker can exploit these vulnerabilities to achieve a denial-of-service (DoS) condition on a vulnerable system, or potentially gain the ability to execute arbitrary code. While the specific CVEs are not detailed in this brief, the generic nature of RDP exploitation makes it a high-impact concern. This issue came to light on March 24, 2026, and is a potential risk to any system using FreeRDP if not mitigated by appropriate updates and security practices. Because of the ubiquitous nature of RDP, this poses a significant risk to organizations using affected versions.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable FreeRDP server exposed to the network.\u003c/li\u003e\n\u003cli\u003eAttacker establishes an RDP connection to the target server on port 3389 (default).\u003c/li\u003e\n\u003cli\u003eAttacker sends a series of crafted RDP packets designed to exploit a specific vulnerability in FreeRDP\u0026rsquo;s processing of session data.\u003c/li\u003e\n\u003cli\u003eIf successful, the exploit triggers a buffer overflow or other memory corruption issue within the FreeRDP process.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the memory corruption to overwrite critical program data or inject malicious code into the process\u0026rsquo;s memory space.\u003c/li\u003e\n\u003cli\u003eThe injected code is executed, granting the attacker control over the FreeRDP session or potentially the entire system, depending on the specific vulnerability and the privileges of the FreeRDP process.\u003c/li\u003e\n\u003cli\u003eAlternatively, the crafted packets could cause the FreeRDP service to crash, resulting in a denial-of-service condition.\u003c/li\u003e\n\u003cli\u003eThe attacker may then attempt to escalate privileges, install malware, or move laterally within the network.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation can lead to a denial-of-service condition, disrupting remote access services. More critically, attackers may be able to execute arbitrary code, leading to full system compromise. This could allow attackers to steal sensitive data, install ransomware, or use the compromised system as a foothold for further attacks within the network. The number of potentially affected systems is large, given the widespread use of RDP for remote administration and access.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor network connections for suspicious RDP traffic, especially connections originating from unexpected sources; deploy the provided network connection Sigma rule.\u003c/li\u003e\n\u003cli\u003eImplement network segmentation to limit the exposure of RDP services to only authorized networks and users.\u003c/li\u003e\n\u003cli\u003eAudit RDP usage for anomalies and suspicious activity, paying close attention to unexpected processes launched by RDP sessions; leverage process creation Sigma rule.\u003c/li\u003e\n\u003cli\u003eEnsure FreeRDP is updated to the latest version to patch known vulnerabilities.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-03-24T10:17:27Z","date_published":"2026-03-24T10:17:27Z","id":"/briefs/2026-03-freerdp-vulns/","summary":"A remote, anonymous attacker can exploit multiple vulnerabilities in FreeRDP to cause a denial of service or potentially execute arbitrary program code.","title":"Multiple Vulnerabilities in FreeRDP Allow for DoS and Potential Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-03-freerdp-vulns/"}],"language":"en","title":"CraftedSignal Threat Feed — Freerdp","version":"https://jsonfeed.org/version/1.1"}