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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- ZTE Zxiptv
- ZTE Zxiptv Firmware — versions zxiptv-eas_pv5.06.04.09
- <zxiptv> — versions <ZXIPTV-EAS_PV5.06.04.09>
Weakness classification (CWE)
References
- support.zte.com.cn/support/news/LoopholeInfoDetail.aspx (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.