CVE-2022-23139 Privilege escalation in ZXMP M721
Low-authority users can gain higher operating permissions on key files due to incorrect SFTP folder permissions in the ZTE ZXMP M721 network device.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-23139?
CVE-2022-23139 is a high-severity vulnerability in ZXMP M721, published on 12 May 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ZTE's ZXMP M721 product has a permission and access control vulnerability. Since the folder permission viewed by sftp is 666, which is inconsistent with the actual permission. It’s easy for?users to?ignore the modification?of?the file permission configuration, so that low-authority accounts could actually obtain higher operating permissions on key files.
Weakness: CWE-863
Which versions are affected by CVE-2022-23139?
It affects 1 product.
Products include Zte Zxmp M721 Firmware.
How do I fix CVE-2022-23139?
No fix has been published for CVE-2022-23139 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-23139 being exploited?
There is no known exploitation of CVE-2022-23139 in the wild and no public exploit code.
Other vulnerabilities in ZXMP M721
Sources
Also known as GHSA-7xpx-4ggr-whc7.