CVE-2020-8134 Server-side request forgery in Ghost CMS
An attacker can exploit Ghost CMS to scan local or external networks and interact with internal systems via server-side request forgery.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-8134?
CVE-2020-8134 is a high-severity server-side request forgery vulnerability in Ghost, published on 20 Mar 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Server-side request forgery (SSRF) vulnerability in Ghost CMS < 3.10.0 allows an attacker to scan local or external network or otherwise interact with internal systems.
Weakness: CWE-918
Which versions are affected by CVE-2020-8134?
3 open source packages ship an affected version, including ghost. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ghost Bitnami | All versions | 3.10.0 |
ghost npm | All versions | 3.10.0 |
ghost npm | All versions | 3.10.0 |
Products include Ghost Ghost.
How do I fix CVE-2020-8134?
Upgrade ghost to 3.10.0 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-8134 being exploited?
There is no known exploitation of CVE-2020-8134 in the wild and no public exploit code.
Other vulnerabilities in Ghost
Sources
Also known as BIT-ghost-2020-8134, GHSA-q4h8-7qff-gh6c.