How severe is CVE-2023-2883?

CVE-2023-2883 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-2883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2883?

CVE-2023-2883 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-2023-2883?

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

When was CVE-2023-2883 published?

CVE-2023-2883 was published on 2023-05-25 and last updated on 2026-06-17.

CVE-2023-2883

CVE-2023-2883 is a high-severity vulnerability in Cbot Cbot Core with a CVSS 3.x base score of 8.8. 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-639.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Cbot Cbot Core
Published: 2023-05-25
Last modified: 2026-06-17

Description

Authorization Bypass Through User-Controlled Key vulnerability in CBOT Chatbot allows Authentication Abuse, Authentication Bypass. This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.

Frequently asked questions

What is CVE-2023-2883?: Authorization Bypass Through User-Controlled Key vulnerability in CBOT Chatbot allows Authentication Abuse, Authentication Bypass. This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.
How severe is CVE-2023-2883?: CVE-2023-2883 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-2883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2883?: CVE-2023-2883 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-2023-2883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-2883 published?: CVE-2023-2883 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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