CVE-2023-2884

Name: CVE-2023-2884
Creator: NVD / NIST
Published: 2023-05-25T09:15:12.163+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2023-2884 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.69%

48.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cbot	Cbot Core	< 4.0.3.4
Cbot	Cbot Panel	< 4.0.3.7

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0293
https://www.usom.gov.tr/bildirim/tr-23-0293Third Party Advisory
https://www.usom.gov.tr/bildirim/tr-23-0293Third Party Advisory

Timeline

Published: May 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2884?

How severe is CVE-2023-2884?

CVE-2023-2884 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2884?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2884?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST