CVE-2025-2776 Vulnerability Analysis & Exploit Details

CVE-2025-2776
Vulnerability Scoring

9.3
/10
Critical Risk

As a catastrophic security flaw, CVE-2025-2776 has severe implications, demanding immediate intervention.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Changed
    Successful exploitation can impact components beyond the vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2025-2776 Details

Status: Analyzed

Last updated: 🕐 23 Jul 2025, 01:00 UTC
Originally published on: 🕒 07 May 2025, 15:15 UTC

Time between publication and last update: 76 days

CVSS Release: version 3

CVSS3 Source

disclosure@vulncheck.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

CVE-2025-2776 Vulnerability Summary

CVE-2025-2776: SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.

Assessing the Risk of CVE-2025-2776

Access Complexity Graph

The exploitability of CVE-2025-2776 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2025-2776

With low attack complexity and no required privileges, CVE-2025-2776 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2025-2776, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2025-2776, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2025-2776 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2025-2776 poses no threat to data integrity.
  • Availability: Low
    CVE-2025-2776 may slightly degrade system performance without fully affecting service availability.

CVE-2025-2776 References

External References

CWE Common Weakness Enumeration

CWE-611

CAPEC Common Attack Pattern Enumeration and Classification

  • Data Serialization External Entities Blowup CAPEC-221 This attack takes advantage of the entity replacement property of certain data serialization languages (e.g., XML, YAML, etc.) where the value of the replacement is a URI. A well-crafted file could have the entity refer to a URI that consumes a large amount of resources to create a denial of service condition. This can cause the system to either freeze, crash, or execute arbitrary code depending on the URI.

Vulnerable Configurations

  • cpe:2.3:a:sysaid:sysaid:-:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:-:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:-:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:-:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:6.0:*:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:6.5:*:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:6.5:*:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:14.4:*:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:14.4:*:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:15.1:*:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:15.1:*:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:20.3.64:b14:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:20.3.64:b14:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:20.4.74:*:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:20.4.74:*:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:20.4.74:b10:*:*:*:*:*:*
    cpe:2.3:a:sysaid:sysaid:20.4.74:b10:*:*:*:*:*:*
  • cpe:2.3:a:sysaid:sysaid:21.1.30:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:21.1.30:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:21.1.50:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:21.1.50:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:21.4.45:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:21.4.45:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.1.50:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.1.50:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.1.64:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.1.64:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.1.65:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.1.65:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.2.20:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.2.20:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.10:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.10:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.20:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.20:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.30:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.30:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.35:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.35:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.40:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.40:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.50:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.50:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.60:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.60:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.3.70:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.3.70:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.10:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.10:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.20:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.20:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.30:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.30:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.40:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.40:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.45:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.45:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.50:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.50:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:22.4.60:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:22.4.60:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.10:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.10:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.20:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.20:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.30:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.30:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.40:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.40:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.50:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.50:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.60:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.60:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.1.70:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.1.70:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.10:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.10:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.14:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.14:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.15:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.15:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.20:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.20:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.30:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.30:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.40:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.40:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.50:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.50:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.60:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.60:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.2.70:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.2.70:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.10:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.10:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.20:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.20:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.30:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.30:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.34:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.34:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.35:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.35:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.36:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.36:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.37:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.37:*:*:*:on-premises:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.40:*:*:*:cloud:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.40:*:*:*:cloud:*:*:*
  • cpe:2.3:a:sysaid:sysaid:23.3.40:*:*:*:on-premises:*:*:*
    cpe:2.3:a:sysaid:sysaid:23.3.40:*:*:*:on-premises:*:*:*

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