MEDIUM CVSS 5.8
Published: 2021-04-09

CVE-2021-25380

samsung bixby Security Advisory (CVE-2021-25380)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2021-25380?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2021-25380 impacting samsung bixby. Evaluated with CVSS Base Score of 5.8 (MEDIUM).

Original NVD Description

Source: NIST NVD
Improper handling of exceptional conditions in Bixby prior to version 3.0.53.02 allows attacker to execute the actions registered by the user.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product samsung / bixby
Affected Versions *
Weakness Enumeration CWE-703

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-2021-25380 impacting samsung bixby.

⚡ Nuclei Detection Template (YAML) cve-2021-25380.yaml
id: cve-2021-25380

info:
  name: samsung bixby - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2021-25380 affecting samsung bixby.
    Evaluation: Improper handling of exceptional conditions in Bixby prior to version 3.0.53.02 allows attacker to execute the actions registered by the user....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2021-25380
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
    cvss-score: 5.8
    cve-id: CVE-2021-25380
    cwe-id: CWE-703
  tags: cve,cve-2021-25380,samsung,bixby,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bixby"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2021-25380.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2021-25380
# Target: samsung bixby | CVSS: 5.8 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2021-25380 (samsung bixby)...")
    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 samsung bixby 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-2021-25380.sh
# Recommended Remediation & Patching Commands for CVE-2021-25380
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bixby 2>/dev/null || \
sudo dnf upgrade bixby 2>/dev/null || \
sudo yum update bixby

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2021-25380 in samsung bixby?

Review vendor-specific security notices and update samsung bixby 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-2021-25380?

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-2021-25380?

CVE-2021-25380 is classified with a CVSS 3.1 Base Score of 5.8 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.8
MEDIUM SEVERITY
CVE ID CVE-2021-25380
Weakness CWE-703
Vendor samsung
Product bixby
Published 2021-04-09
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L