VDB-228468 · CVE-2023-29333 · EUVD-2023-32907

Microsoft Office 365 Apps/2019/LTSC 2021 Access denial of service

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.
3.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Office 365 Apps/2019/LTSC 2021. This impacts an unknown function of the component Access. The manipulation results in denial of service. This vulnerability was named CVE-2023-29333. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Office 365 Apps/2019/LTSC 2021 (Office Suite Software). Affected is some unknown functionality of the component Access. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 05/09/2023 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2023-29333. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32907). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Office Suite Software

Vendor

Microsoft

Name

Office

Version

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.4
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 3.3
Vendor Vector (Microsoft): 🔍

CNA Base Score: 3.3
CNA Vector (Microsoft): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

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: Patch
Status: 🔍

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

Timelineinfo

04/04/2023 🔍
05/09/2023 +35 days 🔍
05/09/2023 +0 days 🔍
05/09/2023 +0 days 🔍
07/10/2025 +793 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2023-29333 (🔍)
GCVE (CVE): GCVE-0-2023-29333
GCVE (VulDB): GCVE-100-228468
EUVD: 🔍

Entryinfo

Created: 05/09/2023 20:19
Updated: 07/10/2025 21:16
Changes: 05/09/2023 20:19 (1), 05/09/2023 20:20 (33), 05/09/2023 20:23 (21), 06/01/2023 14:42 (2), 06/01/2023 14:43 (10), 07/10/2025 21:16 (16)
Complete: 🔍
Cache ID: 216::103