What is CVE-2021-21741?

CVE-2021-21741 is a critical-severity vulnerability in ZTE Zxv10 M910, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-08-30.

How severe is CVE-2021-21741?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in ZTE Zxv10 M910

CVE-2021-21741

There is a command execution vulnerability in a ZTE conference management system. As some services are enabled by default, the attacker could exploit this vulnerability to execute arbitrary commands by sending specific serialization command.

Vulnerability class: Insecure Deserialization

EPSS: 0.019 (78.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zte Zxv10_m910
Zte Zxv10_m910_firmware — versions 1.2.16.01u01.01, 1.2.19.01u01.01, 1.2.20.01u01.01
N/a Zxv10 M910 — versions ZXV10 M910 V1.2.21.01.04P01,ZXV10 M910 V1.2.20.01U01.01,ZXV10 M910 V1.2.19.01U01.01,ZXV10 M910 V1.2.16.01U01.01

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

psirt@zte.com.cn (Vendor Advisory)

Frequently asked questions

What is CVE-2021-21741?: CVE-2021-21741 is a critical-severity vulnerability in ZTE Zxv10 M910, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-08-30.
How severe is CVE-2021-21741?: Critical severity. CVSS v3 base score is 9.8 out of 10.