Huawei HiSilicon backdoor ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Huawei HiSilicon. It has been rated as critical. This vulnerability affects unknown code. Performing a manipulation results in backdoor. This vulnerability is reported as CVE-2020-24215. Moreover, an exploit is present. It is still unclear if this vulnerability genuinely exists.

Detailsinfo

A vulnerability was found in Huawei HiSilicon (version unknown). It has been classified as critical. This affects an unknown function. The manipulation with an unknown input leads to a backdoor vulnerability. CWE is classifying the issue as CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. 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. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1588.001 for this issue.

A public exploit has been developed by Alexei Kojenov and been published immediately after the advisory. The exploit is shared for download at kojenov.com. It is declared as proof-of-concept. 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 vulnerability is also documented in the vulnerability database at Exploit-DB (48902). The entries VDB-161638, VDB-161639, VDB-161640 and VDB-161641 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

Video

Open Video | Show More Videos

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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

Exploitinginfo

Class: Backdoor
CWE: CWE-912
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/15/2020 🔍
09/15/2020 +0 days 🔍
09/17/2020 +2 days 🔍
09/19/2020 +2 days 🔍
07/10/2024 +1390 days 🔍

Sourcesinfo

Vendor: huawei.com

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

CVE: CVE-2020-24215 (🔍)
GCVE (CVE): GCVE-0-2020-24215
GCVE (VulDB): GCVE-100-161637
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/19/2020 17:16
Updated: 07/10/2024 16:16
Changes: 09/19/2020 17:16 (51), 09/19/2020 17:21 (1), 07/10/2024 16:16 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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