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CTI Interest Score
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7.6$0-$5k0.63

A vulnerability was found in Huawei HiSilicon (the affected version unknown). It has been classified as critical. This affects an unknown function. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-912. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 09/15/2020 by Alexei Kojenov as not defined advisory (Website). The advisory is shared at kojenov.com. The public release happened without involvement of Huawei. The advisory contains:

This article discloses critical vulnerabilities in IPTV/H.264/H.265 video encoders based on HiSilicon hi3520d hardware.
This vulnerability is uniquely identified as CVE-2020-24215. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Alexei Kojenov and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is shared for download at kojenov.com. The real existence of this vulnerability is still doubted at the moment.

The advisory contains the following remark:

Huawei issued a statement saying that none of the vulnerabilities have been introduced by HiSilicon chips and SDK packages.

The entries 161638, 161639, 161640 and 161641 are pretty similar.

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CPE 2.3infoedit

CPE 2.2infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Privilege escalation (CWE-912)
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Author: Alexei Kojenov
Download: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒
Exploit Delay Time: 🔍

Timelineinfoedit

09/15/2020 Advisory disclosed
09/15/2020 +0 days Exploit disclosed
09/17/2020 +2 days Vendor acknowledged
09/19/2020 +2 days VulDB entry created
09/19/2020 +0 days VulDB last update

Sourcesinfoedit

Vendor: https://www.huawei.com/

Advisory: kojenov.com
Researcher: Alexei Kojenov
Status: Not defined
Confirmation: 🔒
Disputed: 🔍

CVE: CVE-2020-24215 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔒

Entryinfoedit

Created: 09/19/2020 05:16 PM
Changes: (1) vulnerability_cwe
Complete: 🔍

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