CVE-2023-31893

Name: CVE-2023-31893
Creator: NVD / NIST
Published: 2023-06-05T21:15:10.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2023-31893 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.87%

54.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Telefonica	Brasil Vivo Play Firmware	2023.04.04.01.06.15

References

Timeline

Published: Jun 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31893?

Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.

How severe is CVE-2023-31893?

CVE-2023-31893 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31893?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31893?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST