CVE-2024-9677 Information disclosure in USG FLEX H series uOS firmware
An authenticated local attacker can steal an administrator's authentication token from the CLI to escalate privileges on Zyxel USG FLEX H devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-9677?
CVE-2024-9677 is a medium-severity vulnerability in Zyxel USG FLEX H series uOS firmware, published on 22 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The insufficiently protected credentials vulnerability in the CLI command of the USG FLEX H series uOS firmware version V1.21 and earlier versions could allow an authenticated local attacker to gain privilege escalation by stealing the authentication token of a login administrator. Note that this attack could be successful only if the administrator has not logged out.
Weakness: CWE-522
Which versions are affected by CVE-2024-9677?
It affects 1 product.
Products include Zyxel Uos.
How do I fix CVE-2024-9677?
No fix has been published for CVE-2024-9677 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-9677 being exploited?
There is no known exploitation of CVE-2024-9677 in the wild and no public exploit code.
Other vulnerabilities in Zyxel USG FLEX H series uOS firmware
Sources
Also known as GHSA-x58f-9h5m-89hm.