Microsoft Skype for Consumer prior 8.113 variable initialization

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 (≈)
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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.
8.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Skype for Consumer. Impacted is an unknown function. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2024-21411. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Skype for Consumer (Unified Communication Software). Using CWE to declare the problem leads to CWE-453. The product, by default, initializes an internal variable with an insecure or less secure value than is possible. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 03/12/2024 as confirmed security guidance (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The identification of this vulnerability is CVE-2024-21411. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/27/2024).

Upgrading to version 8.113 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 8.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 8.8
CNA Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Variable initialization
CWE: CWE-453
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Skype for Consumer 8.113

Timelineinfo

12/08/2023 🔍
03/12/2024 +95 days 🔍
03/12/2024 +0 days 🔍
03/12/2024 +0 days 🔍
04/16/2025 +399 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed

CVE: CVE-2024-21411 (🔍)
GCVE (CVE): GCVE-0-2024-21411
GCVE (VulDB): GCVE-100-256547
scip Labs: https://www.scip.ch/en/?labs.20140918

Entryinfo

Created: 03/12/2024 19:36
Updated: 04/16/2025 04:26
Changes: 03/12/2024 19:36 (4), 03/12/2024 19:37 (31), 03/12/2024 19:40 (18), 03/13/2024 08:53 (2), 04/12/2024 09:40 (15), 04/12/2024 09:45 (10), 06/12/2024 04:55 (1), 12/27/2024 21:01 (1), 04/16/2025 04:26 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

 Anonymous User (+0)
2 years ago
Goodmorning,
Could You align this cpe to the official NVD NIST cpe "microsoft:skype"?
I don't find "microsoft:skype_for_consumer" into cpe NIST Dictionary.
We'd appreciate it very much.
Best Regards,
TEAM CERT
 VulDB Community Team2 years ago
Thank you, we have just aligned the CPE.

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