CVE-2022-1235Network attack vector

Installation secret recovery via offline brute force

Published Apr 5, 2022 · Updated Aug 2, 2024

Weak secret generation in Live Helper Chat before 3.96 allows remote attackers to recover the installation secret through offline brute force. The installers generate secrethash by truncating MD5 of the current time and mt_rand() to 10 hexadecimal characters, while the captcha endpoint exposes SHA-1 of the requester IP, timestamp, and that secret. Exploitation requires retrieving a captcha string and testing candidates offline; the recovered secret underpins multiple security controls, but published sources do not identify each downstream action.

CVSS severity8.2
High
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Weak secret generation in Live Helper Chat before 3.96 allows remote attackers to recover the installation secret through offline brute force. The installers generate secrethash by truncating MD5 of the current time and mt_rand() to 10 hexadecimal characters, while the captcha endpoint exposes SHA-1 of the requester IP, timestamp, and that secret. Exploitation requires retrieving a captcha string and testing candidates offline; the recovered secret underpins multiple security controls, but published sources do not identify each downstream action.

The record

CVE
CVE-2022-1235
Published
Apr 5, 2022
Updated
Aug 2, 2024
Vendor
LiveHelperChat
Product
Live Helper Chat
Classifications
CWE-916, T1110.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 5, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=unspecified <3.96

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

LiveHelperChat · Live Helper Chatversion=unspecified <3.96

Published CVSS scores

8.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
7.5huntr.devCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
6.4NIST NVDAV:N/AC:L/Au:N/C:P/I:P/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-916Use of Password Hash With Insufficient Computational Effort
T1110.002Password Cracking

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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