Security Resilience

CVE-2023-3069

Auth Bypass in Corebos ≤ 8.0

Public PoCAuth Bypass
Published
02 June 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0060 47th percentile
Risk Priority 72 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-3069 is a critical-severity Unverified Password Change (CWE-620) vulnerability in Corebos Corebos. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Steganography (T1001.002); ranked at the 47th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A07:2025 Authentication Failures

EU & UK References

Vulnerability Data

Unverified Password Change in GitHub repository tsolucio/corebos prior to 8.

CWE(s)
CWE-620CWE-287

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001.002 Steganography Command And Control
Adversaries may use steganographic techniques to hide command and control traffic to make detection efforts more difficult.
attack.mitre.org →
T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
attack.mitre.org →
T1003.007 Proc Filesystem Credential Access
Adversaries may gather credentials from the proc filesystem or `/proc`.
attack.mitre.org →
T1003.008 /etc/passwd and /etc/shadow Credential Access
Adversaries may attempt to dump the contents of <code>/etc/passwd</code> and <code>/etc/shadow</code> to enable offline password cracking.
attack.mitre.org →
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
T1008 Fallback Channels Command And Control
Adversaries may use fallback or alternate communication channels if the primary channel is compromised or inaccessible in order to maintain reliable command and control and to avoid data transfer thresholds.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-3075Same product: Corebos Corebos
CVE-2023-48029Same product: Corebos Corebos
CVE-2023-1527Same product: Corebos Corebos
CVE-2023-3074Same product: Corebos Corebos
CVE-2023-3073Same product: Corebos Corebos
CVE-2023-3070Same product: Corebos Corebos
CVE-2023-5844Shared CWE-287, CWE-620
CVE-2023-25931Shared CWE-287, CWE-620
CVE-2024-23637Shared CWE-287, CWE-620
CVE-2023-2297Shared CWE-287, CWE-620

Affected Assets

corebos
corebos
≤ 8.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-9 Previous Logon Notification
addresses: CWE-287

Detects unauthorized successful logons resulting from improper authentication implementations.

AT-1 Policy and Procedures
addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

AT-2 Literacy Training and Awareness
addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

AT-3 Role-based Training
addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

AU-10 Non-repudiation
addresses: CWE-287

Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.

AU-14 Session Audit
addresses: CWE-287

Session content review can reveal authentication bypasses or failures in session establishment.

AU-6 Audit Record Review, Analysis, and Reporting
addresses: CWE-287

Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.

CA-2 Control Assessments
addresses: CWE-287

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-01 partial match
blocks

Credential management practices directly enforce re-authentication for password changes.

PR.AA-03 partial match
blocks

Authentication requirements include verifying identity before allowing credential modifications.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.16 Identity management partial match
blocks

Mandating segregated approval and oversight for non-human identities reduces the chance that weak or orphaned credentials can be exploited for unauthorized authentication.

A.5.17 Authentication information partial match
degrades

Requires secure management of authentication information, directly addressing the need to verify the original password before allowing a change.

A.6.5 Responsibilities after termination or change of employment partial match
removes
A.8.25 Secure development life cycle partial match
blocks

Security requirements specified early and verified through testing drive the consistent implementation of authentication mechanisms, decreasing the likelihood that authentication steps are omitted or incorrectly applied.

A.8.26 Application security requirements partial match
removes
A.8.27 Secure system architecture and engineering principles partial match
removes

Hardening callouts derived

DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.

  • No fine-grained STIG row for CWE-287, a class-level weakness. Rules are authored against its narrower children: CWE-295, CWE-306.

References