How severe is CVE-2023-2884?

CVE-2023-2884 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-2884 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2884?

CVE-2023-2884 primarily affects Cbot Cbot Core. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-2884?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-2884 published?

CVE-2023-2884 was published on 2023-05-25 and last updated on 2026-06-17.

CVE-2023-2884

CVE-2023-2884 is a critical-severity vulnerability in Cbot Cbot Core with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Cbot Cbot Core
Published: 2023-05-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-2884?: 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.
How severe is CVE-2023-2884?: CVE-2023-2884 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-2884 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2884?: CVE-2023-2884 primarily affects Cbot Cbot Core. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-2884?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-2884 published?: CVE-2023-2884 was published on 2023-05-25 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cbot:cbot_core:*:*:*:*:*:*:*:*
cpe:2.3:a:cbot:cbot_panel:*:*:*:*:*:*:*:*

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CVE-2023-2885 — High (CVSS 8.1): Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in CBOT Chatbot…
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