CVE-2021-21734 Information disclosure in ZTE PON MDU devices
Authenticated users can retrieve sensitive plaintext information from ZTE PON MDU devices via command input.
- 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-2021-21734?
CVE-2021-21734 is a medium-severity vulnerability in ZTE PON MDU devices, published on 28 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Some PON MDU devices of ZTE stored sensitive information in plaintext, and users with login authority can obtain it by inputing command. This affects: ZTE PON MDU device ZXA10 F821 V1.7.0P3T22, ZXA10 F822 V1.4.3T6, ZXA10 F819 V1.2.1T5, ZXA10 F832 V1.1.1T7, ZXA10 F839 V1.1.0T8, ZXA10 F809 V3.2.1T1, ZXA10 F822P V1.1.1T7, ZXA10 F832 V2.00.00.01
Weakness: CWE-312
Which versions are affected by CVE-2021-21734?
It affects 8 products.
Products include Zte Zxa10 F809 Firmware, Zte Zxa10 F819 Firmware, Zte Zxa10 F821 Firmware, Zte Zxa10 F822 Firmware, Zte Zxa10 F822p Firmware, Zte Zxa10 F832 Firmware and 2 more.
How do I fix CVE-2021-21734?
No fix has been published for CVE-2021-21734 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21734 being exploited?
There is no known exploitation of CVE-2021-21734 in the wild and no public exploit code.
Sources
Also known as GHSA-h8vq-x2w7-p2c6.