What is the CVSS score of CVE-2023-26138?

CVE-2023-26138 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2023-26138?

Yes, a public proof-of-concept exploit is available for CVE-2023-26138. Prioritise patching immediately. EPSS: 0.4%.

Drogon CVE-2023-26138

MEDIUM

Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93)

2023-07-06 report@snyk.io

Code Injection Drogon

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jul 06, 2023 - 05:15 nvd

MEDIUM 4.3

DescriptionNVD

All versions of the package drogonframework/drogon are vulnerable to CRLF Injection when untrusted user input is used to set request headers in the addHeader function. An attacker can add the \r\n (carriage return line feeds) characters and inject additional headers in the request sent.

AnalysisAI

All versions of the package drogonframework/drogon are vulnerable to CRLF Injection when untrusted user input is used to set request headers in the addHeader function. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-93. All versions of the package drogonframework/drogon are vulnerable to CRLF Injection when untrusted user input is used to set request headers in the addHeader function. An attacker can add the \r\n (carriage return line feeds) characters and inject additional headers in the request sent. Affected products include: Drogon.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.