CVE-2021-21733: ZTE Zxcdn

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

The management system of ZXCDN is impacted by the information leak vulnerability. Attackers can make further analysis according to the information returned by the program, and then obtain some sensitive information. This affects ZXCDN V7.01 all versions up to IAMV7.01.01.02.

Affected products

• ZTE Zxcdn: from 7.01, before iamv7.01.02.02 (fixed in iamv7.01.02.02)

Published 2021-05-19. Last modified 2026-06-17.