Zoom Workplace up to 6.4.x buffer overflow

CVSS Meta Temp Score
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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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Zoom Workplace, Workplace VDI Client, Rooms, Rooms Controller and Meeting SDK up to 6.4.x and classified as critical. The impacted element is an unknown function. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2025-49458. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Zoom Workplace, Workplace VDI Client, Rooms, Rooms Controller and Meeting SDK up to 6.4.x. This issue affects an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. The summary by CVE is:

Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.

The advisory is shared at zoom.com. The identification of this vulnerability is CVE-2025-49458. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/12/2025).

Upgrading to version 6.5.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-27615) and CERT Bund (WID-SEC-2025-2033). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Zoom Video Communications Workplace
  • Zoom Video Communications Rooms

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

CNA Base Score: 6.5
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

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: 🔍

0-Day Time: 🔒

Upgrade: Workplace/Workplace VDI Client/Rooms/Rooms Controller/Meeting SDK 6.5.0

Timelineinfo

09/09/2025 Advisory disclosed
09/09/2025 +0 days VulDB entry created
09/12/2025 +3 days VulDB entry last update

Sourcesinfo

Advisory: zoom.com
Status: Confirmed

CVE: CVE-2025-49458 (🔒)
GCVE (CVE): GCVE-0-2025-49458
GCVE (VulDB): GCVE-100-323165
EUVD: 🔒
CERT Bund: WID-SEC-2025-2033 - Zoom Video Communications Workplace: Schwachstelle ermöglicht Denial of Service

Entryinfo

Created: 09/09/2025 09:23
Updated: 09/12/2025 06:35
Changes: 09/09/2025 09:23 (51), 09/10/2025 09:29 (12), 09/11/2025 00:45 (1), 09/12/2025 06:35 (7)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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