Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **YES**. <br>📅 **Patch Date**: Released around **October 22, 2020**. <br>🔄 **Action**: Upgrade to **Tiki Wiki CMS Groupware 21.2** or any newer version to resolve the issue.

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: Tiki Wiki CMS Groupware has a critical **Authentication Bypass** flaw.
💥 **Consequences**: Attackers can lock the admin account via brute force, then log in with a **blank password**.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: The vulnerability lies in `tiki-login.php`.…

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Affected Versions**: Tiki Wiki CMS Groupware versions **16.x through 21.1**.
🚫 **Fixed In**: Version **21.2** and later.
🌐 **Component**: Specifically the `tiki-login.php` file.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

🔓 **Privileges**: Gains **Admin-level access** without knowing the password.
📂 **Data Impact**: Full compromise of the Tiki Wiki CMS.…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚡ **Threshold**: **Low**.
🔑 **Auth**: Requires **no initial authentication**.
⚙️ **Config**: Only requires sending **50+ failed login requests** to the admin account.…

Question 6

Is there a public Exp? (PoC/Wild Exploitation)

Accepted Answer

🔥 **Public Exp?**: **YES**.
📂 **PoC Available**: Multiple Proof-of-Concepts exist on GitHub (e.g., by S1lkys, Threekiii, Vulhub).
🛠️ **Tools**: Nuclei templates are available for automated scanning.…

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check**:
1. Check your Tiki Wiki version (must be < 21.2).
2. Use scanners like **Nuclei** with the CVE-2020-15906 template.
3.…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Fixed?**: **YES**.
📅 **Patch Date**: Released around **October 22, 2020**.
🔄 **Action**: Upgrade to **Tiki Wiki CMS Groupware 21.2** or any newer version to resolve the issue.

Question 9

What if no patch? (Workaround)

Accepted Answer

🛡️ **Workaround (No Patch)**:
1. **Block IP**: Restrict access to `tiki-login.php` via WAF or firewall.
2.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔴 **Priority**: **CRITICAL / URGENT**.
⚠️ **Reason**: Easy to exploit, no auth required, leads to full admin takeover.
🚀 **Action**: Patch immediately if running an affected version.…

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2020-15906 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

Q6Is there a public Exp? (PoC/Wild Exploitation)

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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