VulnerabilityModified
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.
HIGH 7.5EPSS 0.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- telefonica/brasil vivo play firmware
- Source
- cve@mitre.org
References
- https://medium.com/%40shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f
- https://www.cert.br/docs/whitepapers/dns-recursivo-aberto/Technical Description
- https://medium.com/%40shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f
- https://www.cert.br/docs/whitepapers/dns-recursivo-aberto/Technical Description
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.