HIGH CVSS 7.8
Published: 2021-04-14

CVE-2021-25314

suse hawk2 Security Advisory (CVE-2021-25314)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-25314 impacting suse hawk2. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
A Creation of Temporary File With Insecure Permissions vulnerability in hawk2 of SUSE Linux Enterprise High Availability 12-SP3, SUSE Linux Enterprise High Availability 12-SP5, SUSE Linux Enterprise High Availability 15-SP2 allows local attackers to escalate to root. This issue affects: SUSE Linux Enterprise High Availability 12-SP3 hawk2 versions prior to 2.6.3+git.1614685906.812c31e9. SUSE Linux Enterprise High Availability 12-SP5 hawk2 versions prior to 2.6.3+git.1614685906.812c31e9. SUSE Linux Enterprise High Availability 15-SP2 hawk2 versions prior to 2.6.3+git.1614684118.af555ad9.

📊 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
Unchanged (S:U)
Confined to same security context
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 suse / hawk2
Affected Versions *
Weakness Enumeration CWE-378

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-2021-25314 impacting suse hawk2.

⚡ Nuclei Detection Template (YAML) cve-2021-25314.yaml
id: cve-2021-25314

info:
  name: suse hawk2 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2021-25314 affecting suse hawk2.
    Evaluation: A Creation of Temporary File With Insecure Permissions vulnerability in hawk2 of SUSE Linux Enterprise High Availability 12-SP3, SUSE Linux Enterprise...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-25314
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2021-25314
    cwe-id: CWE-378
  tags: cve,cve-2021-25314,suse,hawk2,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "hawk2"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-25314.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-25314
# Target: suse hawk2 | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2021-25314 (suse hawk2)...")
    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 suse hawk2 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-2021-25314.sh
# Recommended Remediation & Patching Commands for CVE-2021-25314
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install hawk2 2>/dev/null || \
sudo dnf upgrade hawk2 2>/dev/null || \
sudo yum update hawk2

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i hawk2 2>/dev/null || rpm -qa | grep -i hawk2

# 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.
Technical Analysis
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2021-25314 in suse hawk2?

Review vendor-specific security notices and update suse hawk2 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-2021-25314?

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-2021-25314?

CVE-2021-25314 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2021-25314
Weakness CWE-378
Vendor suse
Product hawk2
Published 2021-04-14
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H