VDB-187845 · CVE-2021-43978 · GCVE-0-2021-43978

Allegro up to 3.2.4008.2/3.3.4152.0 on Windows information disclosure

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Allegro up to 3.2.4008.2/3.3.4152.0 on Windows. It has been rated as problematic. This impacts an unknown function. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2021-43978. Access to the local network is required for this attack. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Allegro up to 3.2.4008.2/3.3.4152.0 on Windows. It has been classified as problematic. This affects an unknown function. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was published 12/09/2021. The advisory is shared at excellium-services.com. This vulnerability is uniquely identified as CVE-2021-43978 since 11/17/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 3.3.4156.1 eliminates this vulnerability.

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

Productinfo

Name

Allegro

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (MITRE): 🔍

CVSSv2info

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

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Allegro 3.3.4156.1

Timelineinfo

11/17/2021 🔍
12/09/2021 +22 days 🔍
12/09/2021 +0 days 🔍
05/30/2025 +1268 days 🔍

Sourcesinfo

Advisory: excellium-services.com
Status: Confirmed

CVE: CVE-2021-43978 (🔍)
GCVE (CVE): GCVE-0-2021-43978
GCVE (VulDB): GCVE-100-187845

Entryinfo

Created: 12/09/2021 08:28
Updated: 05/30/2025 22:09
Changes: 12/09/2021 08:28 (48), 12/11/2021 21:48 (1), 05/30/2025 22:09 (33)
Complete: 🔍
Cache ID: 216::103