UNKNOWN CVSS 7.5
Published: 2005-07-05

CVE-2005-1921

php xml_rpc Security Advisory (CVE-2005-1921)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2005-1921 impacting php xml_rpc. Evaluated with CVSS Base Score of 7.5 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Eval injection vulnerability in PEAR XML_RPC 1.3.0 and earlier (aka XML-RPC or xmlrpc) and PHPXMLRPC (aka XML-RPC For PHP or php-xmlrpc) 1.1 and earlier, as used in products such as (1) WordPress, (2) Serendipity, (3) Drupal, (4) egroupware, (5) MailWatch, (6) TikiWiki, (7) phpWebSite, (8) Ampache, and others, allows remote attackers to execute arbitrary PHP code via an XML file, which is not properly sanitized before being used in an eval statement.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product php / xml_rpc
Affected Versions *
Weakness Enumeration CWE-94

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-2005-1921 impacting php xml_rpc.

⚡ Nuclei Detection Template (YAML) cve-2005-1921.yaml
id: cve-2005-1921

info:
  name: php xml_rpc - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2005-1921 affecting php xml_rpc.
    Evaluation: Eval injection vulnerability in PEAR XML_RPC 1.3.0 and earlier (aka XML-RPC or xmlrpc) and PHPXMLRPC (aka XML-RPC For PHP or php-xmlrpc) 1.1 and earli...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2005-1921
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:P/I:P/A:P
    cvss-score: 7.5
    cve-id: CVE-2005-1921
    cwe-id: CWE-94
  tags: cve,cve-2005-1921,php,xml_rpc,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "xml_rpc"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2005-1921.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2005-1921
# Target: php xml_rpc | CVSS: 7.5 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2005-1921 (php xml_rpc)...")
    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 php xml_rpc 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-2005-1921.sh
# Recommended Remediation & Patching Commands for CVE-2005-1921
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install xml_rpc 2>/dev/null || \
sudo dnf upgrade xml_rpc 2>/dev/null || \
sudo yum update xml_rpc

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2005-1921 in php xml_rpc?

Review vendor-specific security notices and update php xml_rpc 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-2005-1921?

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-2005-1921?

CVE-2005-1921 is classified with a CVSS 3.1 Base Score of 7.5 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
UNKNOWN SEVERITY
CVE ID CVE-2005-1921
Weakness CWE-94
Vendor php
Product xml_rpc
Published 2005-07-05
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P