CVE-2021-20643 Missing authorization in LD-PS/U1
Remote attackers can change the administrative password of ELECOM LD-PS/U1 devices due to improper access control, leading to full device compromise.
- 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-2021-20643?
CVE-2021-20643 is a high-severity missing authorization vulnerability in ELECOM CO.,LTD. LD-PS/U1, published on 12 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request.
Which versions are affected by CVE-2021-20643?
It affects 1 product.
Products include Elecom Ld-Ps\/U1 Firmware.
How do I fix CVE-2021-20643?
No fix has been published for CVE-2021-20643 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-20643 being exploited?
There is no known exploitation of CVE-2021-20643 in the wild and no public exploit code.
Sources
Also known as GHSA-xmmf-j7j7-r9v2.