CVE-2021-27103 Accellion FTA Server-Side Request Forgery (SSRF)
Attackers can exploit Server-Side Request Forgery in Accellion FTA via crafted requests, potentially accessing internal resources.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27103?
CVE-2021-27103 is a critical server-side request forgery vulnerability in n/a, published on 16 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Accellion FTA 9_12_411 and earlier is affected by SSRF via a crafted POST request to wmProgressstat.html. The fixed version is FTA_9_12_416 and later.
Weakness: CWE-918
Which versions are affected by CVE-2021-27103?
It affects 1 product.
Products include Accellion Fta.
How do I fix CVE-2021-27103?
No fix has been published for CVE-2021-27103 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Nov 2021.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2021-27103 being exploited?
Yes. Attackers have exploited CVE-2021-27103 in the wild since at least 3 Nov 2021, including in ransomware campaigns.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j665-969m-hg73.