VDB-229933 · CVE-2023-2887 · GCVE-0-2023-2887

CBOT Chatbot prior 4.0.3.7 authentication spoofing

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.9	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in CBOT Chatbot. Affected by this vulnerability is an unknown functionality. This manipulation causes authentication spoofing. This vulnerability appears as CVE-2023-2887. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in CBOT Chatbot (Chat Software). Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Authentication Bypass by Spoofing vulnerability in CBOT Chatbot allows Authentication Bypass.This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.

The weakness was presented 05/25/2023. The advisory is shared at usom.gov.tr. This vulnerability is known as CVE-2023-2887 since 05/25/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 4.0.3.7 eliminates this vulnerability.

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Productinfo

Type

Chat Software

Vendor

CBOT

Name

Chatbot

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chatbot 4.0.3.7

Timelineinfo

05/25/2023 🔍
05/25/2023 +0 days 🔍
05/25/2023 +0 days 🔍
05/22/2026 +1093 days 🔍

Sourcesinfo

Advisory: usom.gov.tr
Status: Confirmed

CVE: CVE-2023-2887 (🔍)
GCVE (CVE): GCVE-0-2023-2887
GCVE (VulDB): GCVE-100-229933

Entryinfo

Created: 05/25/2023 14:29
Updated: 05/22/2026 14:23
Changes: 05/25/2023 14:29 (48), 06/17/2023 16:37 (11), 05/22/2026 14:23 (19)
Complete: 🔍
Cache ID: 216::103