CVE-2024-42336Network attack vector

Unauthenticated data modification via undisclosed authentication flaw

Published Aug 20, 2024 · Updated Aug 20, 2024

Improper authentication in SerVision IVG WebMax before 1.0.57 allows remote attackers to modify device data through the web interface. The CNA has not disclosed the affected handler, credential check, or request fields that cause authentication to be accepted improperly. No credentials or user interaction are required, and the CNA bounds the impact to device-data disclosure and modification without service interruption.

CVSS severity8.2
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in SerVision IVG WebMax before 1.0.57 allows remote attackers to modify device data through the web interface. The CNA has not disclosed the affected handler, credential check, or request fields that cause authentication to be accepted improperly. No credentials or user interaction are required, and the CNA bounds the impact to device-data disclosure and modification without service interruption.

The record

CVE
CVE-2024-42336
Published
Aug 20, 2024
Updated
Aug 20, 2024
Vendor
SerVision
Product
IVG WebMax
Classifications
CWE-287
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 20, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.0.57
  2. Affected versionversion=All versions <Upgrade to a newer version or limit access to web management port

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SerVision · IVG WebMaxversion=0 <1.0.57; version=All versions <Upgrade to a newer version or limit access to web management port

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.2Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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