GeoVision GV-VMS V20.0.2 up to 20.0.2 WebCam Server Login out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in GeoVision GV-VMS V20.0.2 up to 20.0.2. This impacts an unknown function of the component WebCam Server Login. The manipulation results in out-of-bounds write. This vulnerability is known as CVE-2026-42370. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, was found in GeoVision GV-VMS V20.0.2 up to 20.0.2. Affected is an unknown part of the component WebCam Server Login. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

The weakness was published by Philippe Laulheret. The advisory is available at geovision.com.tw. This vulnerability is traded as CVE-2026-42370 since 04/27/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 06/15/2026).

Upgrading to version 21.0.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.5
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 9.0
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: GV-VMS V20.0.2 21.0.0

Timelineinfo

04/27/2026 CVE reserved
05/04/2026 +7 days Advisory disclosed
05/04/2026 +0 days VulDB entry created
06/15/2026 +42 days VulDB entry last update

Sourcesinfo

Advisory: geovision.com.tw
Researcher: Philippe Laulheret
Status: Confirmed

CVE: CVE-2026-42370 (🔒)
GCVE (CVE): GCVE-0-2026-42370
GCVE (VulDB): GCVE-100-360930

Entryinfo

Created: 05/04/2026 06:30
Updated: 06/15/2026 23:31
Changes: 05/04/2026 06:30 (64), 06/15/2026 23:31 (11)
Complete: 🔍
Cache ID: 216::103

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