Arcserve Vulnerabilities and Affected Products
Vulnerabilities associated with Unified Data Protection (UDP).
Products
Clear product- Unified Data Protection (UDP)5 vulnerabilities
- Unified Data Protection4 vulnerabilities
- Arcserve UDP3 vulnerabilities
- arcserve_unified_data_protection2 vulnerabilities
- udp2 vulnerabilities
- D2D1 vulnerability
- UDP Console1 vulnerability
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2025-34520HIGH | Arcserve UDP < 10.2 Authentication BypassAn authentication bypass vulnerability in Arcserve Unified Data Protection (UDP) allows unauthenticated attackers to gain unauthorized access to protected functionality or user accounts. By manipulating specific request parameters or exploiting a logic flaw, an attacker can bypass login mechanisms without valid credentials and access administrator-level features. This vulnerability affects all UDP versions prior to 10.2. UDP 10.2 includes the necessary patches and requires no action. Versions 8.… CWE-288Aug 27, 2025 | CVSS7.7v4.0 | EPSS0.369% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-34521MEDIUM | Arcserve UDP < 10.2 Reflected Cross-Site Scripting (XSS)A reflected cross-site scripting (XSS) vulnerability exists in the web interface of the Arcserve Unified Data Protection (UDP), where unsanitized user input is improperly reflected in HTTP responses. This flaw allows remote attackers with low privileges to craft malicious links that, when visited by another user, execute arbitrary JavaScript in the victim’s browser. Successful exploitation may lead to session hijacking, credential theft, or other client-side impacts. The vulnerability requires u… CWE-79Aug 27, 2025 | CVSS4.8v4.0 | EPSS0.212% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-34522CRITICAL | Arcserve UDP < 10.2 Pre-Authentication Heap OverflowA heap-based buffer overflow vulnerability exists in the input parsing logic of Arcserve Unified Data Protection (UDP). This flaw can be triggered without authentication by sending specially crafted input to the target system. Improper bounds checking allows an attacker to overwrite heap memory, potentially leading to application crashes or remote code execution. Exploitation occurs in the context of the affected process and does not require user interaction. The vulnerability poses a high risk … CWE-122Aug 27, 2025 | CVSS9.2v4.0 | EPSS0.556% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2025-34523CRITICAL | Arcserve UDP < 10.2 Pre-Authentication Heap OverflowA heap-based buffer overflow vulnerability exists in the network-facing input handling routines of Arcserve Unified Data Protection (UDP). This flaw is reachable without authentication and results from improper bounds checking when processing attacker-controlled input. By sending specially crafted data, a remote attacker can corrupt heap memory, potentially causing a denial of service or enabling arbitrary code execution depending on the memory layout and exploitation techniques used. This vulne… CWE-122Aug 27, 2025 | CVSS9.2v4.0 | EPSS0.53% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2015-4068CRITICAL | Arcserve Unified Data Protection (UDP) Directory Traversal VulnerabilityDirectory traversal vulnerability in Arcserve UDP before 5.0 Update 4 allows remote attackers to obtain sensitive information or cause a denial of service via a crafted file path to the (1) reportFileServlet or (2) exportServlet servlet. CWE-22May 29, 2015 | CVSS9.1v3.1 | EPSS63.6% | PoCs0 | SignalsListed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |