Telefonica Brasil Vivo Play IPTV 2023.04.04.01.06.15 DNS denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Telefonica Brasil Vivo Play IPTV 2023.04.04.01.06.15 and classified as problematic. Affected by this issue is some unknown functionality of the component DNS Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2023-31893. No exploit exists.

Detailsinfo

A vulnerability has been found in Telefonica Brasil Vivo Play IPTV 2023.04.04.01.06.15 and classified as problematic. Affected by this vulnerability is an unknown part of the component DNS Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

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

The weakness was disclosed 06/06/2023. The advisory is shared at medium.com. This vulnerability is known as CVE-2023-31893 since 04/29/2023. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-36182). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/29/2023 🔍
06/06/2023 +38 days 🔍
06/06/2023 +0 days 🔍
12/29/2025 +937 days 🔍

Sourcesinfo

Advisory: medium.com
Status: Not defined

CVE: CVE-2023-31893 (🔍)
GCVE (CVE): GCVE-0-2023-31893
GCVE (VulDB): GCVE-100-230737
EUVD: 🔍

Entryinfo

Created: 06/06/2023 07:41
Updated: 12/29/2025 08:04
Changes: 06/06/2023 07:41 (38), 06/30/2023 11:26 (11), 01/31/2025 18:07 (26), 12/29/2025 08:04 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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