HIGH CVSS 8.8
Published: 2021-03-26

CVE-2021-28249

ca ehealth_performance_manager Security Advisory (CVE-2021-28249)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-28249 impacting ca ehealth_performance_manager. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
CA eHealth Performance Manager through 6.3.2.12 is affected by Privilege Escalation via a Dynamically Linked Shared Object Library. To exploit the vulnerability, the ehealth user must create a malicious library in the writable RPATH, to be dynamically linked when the FtpCollector executable is run. The code in the library will be executed as the root user. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product ca / ehealth_performance_manager
Affected Versions *
Weakness Enumeration CWE-426

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2021-28249 impacting ca ehealth_performance_manager.

⚡ Nuclei Detection Template (YAML) cve-2021-28249.yaml
id: cve-2021-28249

info:
  name: ca ehealth_performance_manager - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2021-28249 affecting ca ehealth_performance_manager.
    Evaluation: CA eHealth Performance Manager through 6.3.2.12 is affected by Privilege Escalation via a Dynamically Linked Shared Object Library. To exploit the vul...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-28249
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2021-28249
    cwe-id: CWE-426
  tags: cve,cve-2021-28249,ca,ehealth_performance_manag,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "ehealth_performance_manager"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-28249.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-28249
# Target: ca ehealth_performance_manager | CVSS: 8.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2021-28249 (ca ehealth_performance_manager)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against ca ehealth_performance_manager scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2021-28249.sh
# Recommended Remediation & Patching Commands for CVE-2021-28249
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install ehealth_performance_manag 2>/dev/null || \
sudo dnf upgrade ehealth_performance_manag 2>/dev/null || \
sudo yum update ehealth_performance_manag

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i ehealth_performance_manag 2>/dev/null || rpm -qa | grep -i ehealth_performance_manag

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2021-28249 in ca ehealth_performance_manager?

Review vendor-specific security notices and update ca ehealth_performance_manager packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2021-28249?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2021-28249?

CVE-2021-28249 is classified with a CVSS 3.1 Base Score of 8.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.8
HIGH SEVERITY
CVE ID CVE-2021-28249
Weakness CWE-426
Vendor ca
Product ehealth_performance_manager
Published 2021-03-26
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H