CVE-2021-26620 IPTIME NAS2dual improper authentication vulnerability
Remote attackers can bypass authentication to steal information and change user passwords on iptime NAS devices.
- 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-2021-26620?
CVE-2021-26620 is a high-severity authentication bypass vulnerability in EFM Networks Co., Ltd ipTIME NAS product (NAS1, 2, 3, 4, 1dual, 2dual 4dual), published on 25 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper authentication vulnerability leading to information leakage was discovered in iptime NAS2dual. Remote attackers are able to steal important information in the server by exploiting vulnerabilities such as insufficient authentication when accessing the shared folder and changing user’s passwords.
Weakness: CWE-287
Which versions are affected by CVE-2021-26620?
It affects 9 products.
Products include Iptime Nas-I Firmware, Iptime Nas-Ii Firmware, Iptime Nas-Iie Firmware, Iptime Nas101 Firmware, Iptime Nas1dual Firmware, Iptime Nas2dual Firmware and 3 more.
How do I fix CVE-2021-26620?
No fix has been published for CVE-2021-26620 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-26620 being exploited?
There is no known exploitation of CVE-2021-26620 in the wild and no public exploit code.
Other vulnerabilities in EFM Networks Co., Ltd ipTIME NAS product (NAS1, 2, 3, 4, 1dual, 2dual 4dual)
Sources
Also known as GHSA-cc72-grgq-wvmx.