CVE-2020-13484 Server-side request forgery in n/a
An attacker can exploit a Server-Side Request Forgery vulnerability in Bitrix24 to access internal network resources via the URL preview feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-13484?
CVE-2020-13484 is a critical server-side request forgery vulnerability in n/a, published on 24 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Bitrix24 through 20.0.975 allows SSRF via an intranet IP address in the services/main/ajax.php?action=attachUrlPreview url parameter, if the destination URL hosts an HTML document containing '<meta name="og:image" content="' followed by an intranet URL.
Weakness: CWE-918
Which versions are affected by CVE-2020-13484?
It affects 1 product.
Products include Bitrix24 Bitrix24.
How do I fix CVE-2020-13484?
No fix has been published for CVE-2020-13484 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-13484 being exploited?
There is no known exploitation of CVE-2020-13484 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2022-27228 Code injection in n/a
- CVE-2023-1717 Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution
- CVE-2023-1720 Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload
- CVE-2023-1715 Bitrix24 Stored Cross-Site Scripting (XSS) via Improper Input Neutralization on Invoice Edit Page (1 of 2)
- CVE-2023-1716 Bitrix24 Stored Cross-Site Scripting (XSS) via Improper Input Neutralization on Invoice Edit Page (2 of 2)
Sources
Also known as GHSA-7p89-xjg8-39jf.