What is CVE-2021-21729?

CVE-2021-21729 is a medium-severity vulnerability in Zte Zxhn_h108n, classified under Use of Insufficiently Random Values. CVSS score: 6.5/10. Published 2021-04-13.

How severe is CVE-2021-21729?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-21729 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Zte Zxhn_h108n

CVE-2021-21729

Some ZTE products have CSRF vulnerability. Because some pages lack CSRF random value verification, attackers could perform illegal authorization operations by constructing messages.This affects: ZXHN H168N V3.5.0_EG1T5_TE, V2.5.5, ZXHN H10…

EPSS: 0.004 (30.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Zte Zxhn_h108n
Zte Zxhn_h108n_firmware — versions 2.5.5_btmt1
Zte Zxhn_h168n
Zte Zxhn_h168n_firmware — versions 3.5.0_eg1t5_te
N/a Zxhn H168n,zxhn H108n — versions V3.5.0_EG1T5_TE, V2.5.5_BTMT1

Weakness classification (CWE)

Public proof-of-concept exploits

Zeyad-Azima/Zeyad-Azima

References

psirt@zte.com.cn (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21729?: CVE-2021-21729 is a medium-severity vulnerability in Zte Zxhn_h108n, classified under Use of Insufficiently Random Values. CVSS score: 6.5/10. Published 2021-04-13.
How severe is CVE-2021-21729?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-21729 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.