Cyber Resilience

CVE-2023-4127

Race Condition in Answer ≤ 1.1.1

Public PoCRace Condition
Published
03 August 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 5.9
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0049 39th percentile
Risk Priority 46 floored blend · peak EPSS

Summary

CVE-2023-4127 is a medium-severity Race Condition within a Thread (CWE-366) vulnerability in Answer Answer. Its CVSS base score is 5.9 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 39th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability Data

Race Condition within a Thread in GitHub repository answerdev/answer prior to v1.1.1.

CWE(s)
CWE-366

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1548 Abuse Elevation Control Mechanism Privilege Escalation
Adversaries may circumvent mechanisms designed to control privilege elevation to gain higher-level permissions.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-0739Same product: Answer Answer
CVE-2023-4124Same product: Answer Answer
CVE-2023-2590Same product: Answer Answer
CVE-2023-0744Same product: Answer Answer
CVE-2023-1542Same product: Answer Answer
CVE-2023-1976Same product: Answer Answer
CVE-2023-0741Same product: Answer Answer
CVE-2023-0742Same product: Answer Answer
CVE-2023-1538Same product: Answer Answer
CVE-2023-0740Same product: Answer Answer

Affected Assets

answer
answer
≤ 1.1.1

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V15.4.2
  • V15.4.3
  • V17.2.6

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.PS-06 mostly match
prevents

Secure SDLC practices directly require synchronization primitives and concurrency analysis that prevent intra-thread race conditions.

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.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect race conditions through concurrency and stress testing.

A.8.25 Secure development life cycle partial match
prevents

Secure development lifecycle includes concurrency and synchronization practices that reduce race conditions.

A.8.26 Application security requirements partial match
prevents

Application security requirements can mandate thread-safety and locking controls.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles address concurrent access and resource synchronization.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require proper synchronization primitives to prevent race conditions.

A.8.32 Change management none match
none

Change management can introduce or remove synchronization flaws during updates.

References