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CVE-2023-2884

Insecure Randomness in CBOT's Chatbot

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.69%Up 0.6 points since May 25, 2023
90%50%10%1%

What each source reports

CVE List Score used 9.8

Insecure Randomness in CBOT's Chatbot

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.

Record
CVE-2023-2884
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-338, CWE-330
Updated
2026-11-02
EUVDEUVD-2023-34330 9.8

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.

Record
EUVD-2023-34330
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-9hvx-xh5r-79rw 6.4

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG), Use of Insufficiently Random...

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.

Record
GHSA-9hvx-xh5r-79rw
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Weakness
CWE-330
Updated
2026-11-02
NVD 9.8

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.

Record
CVE-2023-2884
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-330, CWE-338
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-2884 is a critical vulnerability (CVSS 9.8) in Cbot Core, published May 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. No source names a fixed version.

References

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