VDB-184237 · CVE-2021-21940 · TALOS-2021-1369

Anker Eufy Homebase 2.1.6.9h Network Packet processRtspInfo heap-based overflow

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Anker Eufy Homebase 2.1.6.9h. This impacts the function processRtspInfo of the component Network Packet Handler. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2021-21940. No exploit exists.

Detailsinfo

A vulnerability was found in Anker Eufy Homebase 2.1.6.9h. It has been declared as critical. Affected by this vulnerability is the function processRtspInfo of the component Network Packet Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 10/12/2021 as TALOS-2021-1369. The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2021-21940 since 01/04/2021. Technical details are known, but no exploit is available.

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

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Productinfo

Vendor

Anker

Name

Eufy Homebase

Version

2.1.6.9h

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
10/12/2021 +280 days 🔍
10/12/2021 +0 days 🔍
10/15/2021 +3 days 🔍

Sourcesinfo

Advisory: TALOS-2021-1369
Status: Not defined

CVE: CVE-2021-21940 (🔍)
GCVE (CVE): GCVE-0-2021-21940
GCVE (VulDB): GCVE-100-184237

Entryinfo

Created: 10/12/2021 19:14
Updated: 10/15/2021 08:45
Changes: 10/12/2021 19:14 (39), 10/15/2021 08:45 (1)
Complete: 🔍
Cache ID: 216::103