VDB-192024 · CVE-2021-40042 · GCVE-0-2021-40042

Huawei CloudEngine 7800 memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as critical was found in Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800 and CloudEngine 7800. This affects an unknown function. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2021-40042. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800 and CloudEngine 7800 (Cloud Software) (version unknown). Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability.

The weakness was shared 01/31/2022 as huawei-sa-20220112-01. The advisory is shared for download at huawei.com. This vulnerability is traded as CVE-2021-40042 since 08/23/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/31/2022).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Cloud Software

Vendor

Huawei

Name

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
01/31/2022 +161 days 🔍
01/31/2022 +0 days 🔍
02/04/2022 +4 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: huawei-sa-20220112-01
Status: Confirmed

CVE: CVE-2021-40042 (🔍)
GCVE (CVE): GCVE-0-2021-40042
GCVE (VulDB): GCVE-100-192024

Entryinfo

Created: 01/31/2022 18:50
Updated: 02/04/2022 07:53
Changes: 01/31/2022 18:50 (37), 02/04/2022 07:53 (1)
Complete: 🔍
Cache ID: 216::103