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CVE Record

CVE-2023-2887: User Authentication Bypass in CBOT's Chatbot

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.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2023-2887 is a critical authentication bypass in CBOT Chatbot. An attacker could spoof authentication and access the system without valid credentials. The record rates it CVSS 9.8, meaning compromise could affect confidentiality, integrity, and availability. Public sources do not show confirmed active exploitation.

Executive priority

Treat as urgent if CBOT Chatbot is deployed, especially externally. The vulnerability can bypass login controls and has critical impact ratings. Prioritize inventory confirmation, patch validation, and access reduction.

Technical view

The issue is CWE-290, Authentication Bypass by Spoofing, affecting CBOT Chatbot before Core v4.0.3.4 and Panel v4.0.3.7. CVSS vector indicates network access, low complexity, no privileges, and no user interaction, with high impact across CIA. Public detail is limited.

Likely exposure

Organizations using CBOT Chatbot versions earlier than Core v4.0.3.4 or Panel v4.0.3.7 are the relevant exposure group. Internet-facing chatbot or administration components would carry higher operational risk.

Exploitation context

The CVSS vector indicates unauthenticated remote exploitation is plausible. The provided sources do not include exploit code, proof-of-concept details, or confirmation of exploitation in the wild. It is not listed as CISA KEV in the provided data.

Researcher notes

Public technical detail is sparse. The key confirmed facts are spoofing-based authentication bypass, affected version thresholds, CVSS 9.8, and CWE-290. Avoid assuming exploit availability or implementation specifics without additional vendor evidence.

Mitigation direction

  • Identify all CBOT Chatbot Core and Panel deployments.
  • Upgrade Core to v4.0.3.4 or later where applicable.
  • Upgrade Panel to v4.0.3.7 or later where applicable.
  • Review the Turkish government advisory and vendor guidance.
  • Restrict external access to chatbot administration interfaces where possible.
  • Monitor for unusual authentication, session, and administrative activity.

Validation and detection

  • Confirm installed Core and Panel versions against affected thresholds.
  • Verify exposed CBOT Chatbot services in external and internal inventories.
  • Check whether administrative interfaces are internet-accessible.
  • Review recent logs for unexpected authenticated activity.
  • Document remediation status and compensating controls.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-290: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-2887 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
2ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9TR-CERT

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2023-2887Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CBOTChatbot0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-290 · source CWE mapping

Authentication Bypass by Spoofing

Authentication Bypass by Spoofing represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.