Microsoft Exchange Server 2013 CU23/2016 CU22/2019 CU11 privilege escalation

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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Microsoft Exchange Server 2013 CU23/2016 CU22/2019 CU11. Affected by this issue is some unknown functionality. The manipulation results in an unknown weakness. This vulnerability was named CVE-2022-21969. The attack needs to be approached within the local network. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Exchange Server 2013 CU23/2016 CU22/2019 CU11 (Groupware Software). It has been classified as critical. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/11/2022 as confirmed security guidance (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2022-21969. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/15/2022).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.2

VulDB Base Score: 9.0
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 9.0
Vendor Vector (Microsoft): 🔍

CNA Base Score: 9.0
CNA Vector (Microsoft): 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

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

Timelineinfo

12/16/2021 🔍
01/11/2022 +26 days 🔍
01/11/2022 +0 days 🔍
01/11/2022 +0 days 🔍
01/15/2022 +3 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2022-21969 (🔍)
GCVE (CVE): GCVE-0-2022-21969
GCVE (VulDB): GCVE-100-190158

Entryinfo

Created: 01/11/2022 22:53
Updated: 01/15/2022 06:38
Changes: 01/11/2022 22:53 (33), 01/11/2022 22:57 (20), 01/15/2022 06:25 (2), 01/15/2022 06:38 (10)
Complete: 🔍
Cache ID: 216::103

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