What is CVE-2021-21738?

CVE-2021-21738 is a medium-severity vulnerability in ZTE Zxiptv, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-05.

How severe is CVE-2021-21738?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in ZTE Zxiptv

CVE-2021-21738

ZTE's big video business platform has two reflective cross-site scripting (XSS) vulnerabilities. Due to insufficient input verification, the attacker could implement XSS attacks by tampering with the parameters, to affect the operations of valid users. This affects: <ZXIPTV><ZXIPTV-EAS_PV5.06.04.09>

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Zte Zxiptv
Zte Zxiptv_firmware — versions zxiptv-eas_pv5.06.04.09
N/a <zxiptv> — versions <ZXIPTV-EAS_PV5.06.04.09>

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2021-21738?: CVE-2021-21738 is a medium-severity vulnerability in ZTE Zxiptv, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-05.
How severe is CVE-2021-21738?: Medium severity. CVSS v3 base score is 6.1 out of 10.