CVE-2021-21738
CVE-2021-21738 is a medium-severity vulnerability in Zte Zxiptv Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Zte Zxiptv Firmware
- Published:
- Last modified:
Description
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>
Frequently asked questions
- What is 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>
- How severe is CVE-2021-21738?
- CVE-2021-21738 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-21738 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-21738?
- CVE-2021-21738 affects Zte Zxiptv Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-21738?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-21738 published?
- CVE-2021-21738 was published on 2021-08-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zte:zxiptv_firmware:zxiptv-eas_pv5.06.04.09:*:*:*:*:*:*:*
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