VDB-196621 · CVE-2020-22253 · GCVE-0-2020-22253

Xiongmai HI3518E_50H10L_S39 Service Port 9530 backdoor

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.
7.1	$0-$5k	0.00

Summaryinfo

Detailsinfo

A vulnerability was found in Xiongmai AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS, AHB7808T-MS-V2, AHB7804R-LMS and HI3518E_50H10L_S39. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Service Port 9530. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/07/2022. The advisory is shared at xiongmaitech.com. This vulnerability is known as CVE-2020-22253 since 08/13/2020. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1588.001 for this issue.

Proper firewalling of is able to address this issue.

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Productinfo

Vendor

Xiongmai

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
04/07/2022 +602 days 🔍
04/07/2022 +0 days 🔍
04/08/2022 +1 days 🔍

Sourcesinfo

Advisory: xiongmaitech.com
Status: Confirmed

CVE: CVE-2020-22253 (🔍)
GCVE (CVE): GCVE-0-2020-22253
GCVE (VulDB): GCVE-100-196621

Entryinfo

Created: 04/07/2022 07:38
Updated: 04/08/2022 18:39
Changes: 04/07/2022 07:38 (37), 04/08/2022 18:39 (1)
Complete: 🔍
Cache ID: 216::103