Q: Is exploitation threshold high? (Auth/Config)

📉 **Threshold: LOW**. <br>🔑 **Auth**: **None required**. <br>⚙️ **Config**: Standard installation. <br>💡 Any internet-facing Jira instance with these versions is vulnerable. Easy to exploit with simple HTTP requests.

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: Unauthenticated Information Disclosure in Atlassian Jira.
📉 **Consequences**: Attackers can **enumerate valid usernames** via the `/ViewUserHover.jspa` endpoint.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: Improper access control on the `/ViewUserHover.jspa` endpoint.
🔍 **Flaw**: The system fails to restrict unauthenticated access to user hover data, allowing **username enumeration**.…

Question 3

Who is affected? (Versions/Components)

Accepted Answer

🏢 **Vendor**: Atlassian.
📦 **Product**: Jira Server & Data Center.
📅 **Affected Versions**:
- < 7.13.16
- 8.0.0 ≤ v < 8.5.7
- 8.6.0 ≤ v < 8.12.0
✅ **Fixed**: 7.13.16, 8.5.7, 8.12.0+.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

🕵️ **Attacker Actions**:
1. **Enumerate Users**: Validate if specific usernames exist.
2. **Data Leak**: Access sensitive user info via hover endpoints.
3.…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

📉 **Threshold: LOW**.
🔑 **Auth**: **None required**.
⚙️ **Config**: Standard installation.
💡 Any internet-facing Jira instance with these versions is vulnerable. Easy to exploit with simple HTTP requests.

Question 6

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

Accepted Answer

🔥 **Yes, Public Exploits Exist**.
📂 **POCs Available**:
- `Rival420/CVE-2020-14181` (Python script)
- `bk-rao/CVE-2020-14181`
- Nuclei & Xray templates.…

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check Methods**:
1. **Manual**: Send GET request to `/secure/ViewUserHover.jspa?userName=`. Check response for user data vs. error.
2.…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

🛡️ **Official Fix Available**.
📥 **Action**: Upgrade Jira to:
- **7.13.16** (for 7.x line)
- **8.5.7** (for 8.0-8.5 line)
- **8.12.0** (for 8.6+ line).…

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch? Workarounds**:
1. **WAF Rules**: Block requests to `/ViewUserHover.jspa` from unauthenticated IPs.
2. **Network**: Restrict Jira access to internal networks only.
3.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🚨 **Priority: HIGH**.
⏳ **Urgency**: Critical.
💡 **Reason**:
- **Unauthenticated** access.
- **Public POCs** widely available.
- **Easy exploitation** leads to further attacks.…

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

CVE-2020-14181 — 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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