Cyber Resilience

CVE-2024-1681

MediumPublic PoC

Published: 19 April 2024

Published
19 April 2024
Modified
03 November 2025
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0018 39.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-1681 is a medium-severity Improper Output Neutralization for Logs (CWE-117) vulnerability in Corydolphin Flask-Cors. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 39.3th 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 details

corydolphin/flask-cors is vulnerable to log injection when the log level is set to debug. An attacker can inject fake log entries into the log file by sending a specially crafted GET request containing a CRLF sequence in the request path.…

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This vulnerability allows attackers to corrupt log files, potentially covering tracks of other attacks, confusing log post-processing tools, and forging log entries. The issue is due to improper output neutralization for logs.

CWE(s)
CWE-117

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

corydolphin
flask-cors
4.0.0

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.

AU-1 Policy and Procedures
addresses: CWE-117

Policy and procedures require sanitization and neutralization when generating audit logs to avoid injection issues.

SI-15 Information Output Filtering
addresses: CWE-117

Requiring output to conform to expected content prevents unneutralized data from reaching logs.

References