CVE-2021-28060 Server-side request forgery in n/a
Remote attackers can forge GET requests to arbitrary URLs via the upload API, potentially accessing internal resources or bypassing security controls.
- 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-2021-28060?
CVE-2021-28060 is a medium-severity server-side request forgery vulnerability in n/a, published on 14 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Server-Side Request Forgery (SSRF) vulnerability in Group Office 6.4.196 allows a remote attacker to forge GET requests to arbitrary URLs via the url parameter to group/api/upload.php.
Weakness: CWE-918
Which versions are affected by CVE-2021-28060?
It affects 1 product.
Products include Group-Office Group Office.
How do I fix CVE-2021-28060?
No fix has been published for CVE-2021-28060 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-2021-28060 being exploited?
There is no known exploitation of CVE-2021-28060 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-25512 Group-Office is vulnerable to RCE due to Command Injection via TNEF Attachment Handler
- CVE-2026-25134 Group-Office Argument Injection in MaintenanceController::actionZipLanguage
- CVE-2025-63406 Code injection in n/a
- CVE-2026-25511 Group-Office is vulnerable to SSRF and File Read in WOPI service discovery
- CVE-2023-46730 Server-Side Request Forgery in groupoffice
Sources
Also known as GHSA-46jj-588g-jh7g.