CVE-2023-2884

Insecure Randomness in CBOT's Chatbot

Published May 25, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG), Use of Insufficiently Random Values vulnerability in CBOT Chatbot allows Signature Spoofing by Key Recreation.

This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.

Remediation

Vendor Solution

Update the Core to >= v4.0.3.4 and the Panel to >= v4.0.3.7 .

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-34330 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG), Use of Insufficiently Random Values vulnerability in CBOT Chatbot allows Signature Spoofing by Key Recreation.This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.
History
Type Values Removed Values Added
Description Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG), Use of Insufficiently Random Values vulnerability in CBOT Chatbot allows Signature Spoofing by Key Recreation.This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7. Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG), Use of Insufficiently Random Values vulnerability in CBOT Chatbot allows Signature Spoofing by Key Recreation. This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.
References
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TR-CERT
Published
Updated
May 22, 2026, 10:50 AM
Reserved
May 25, 2023, 8:03 AM
Status
Modified
Published
May 25, 2023, 9:15 AM
Modified
Jun 17, 2026, 5:53 AM