What is the CVSS score of CVE-2017-13771?

CVE-2017-13771 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2017-13771?

Yes, a public proof-of-concept exploit is available for CVE-2017-13771. Prioritise patching immediately. EPSS: 1.5%.

Scan To Network CVE-2017-13771

CRITICAL

Insufficiently Protected Credentials (CWE-522)

2017-09-07 cve@mitre.org

Information Disclosure Scan To Network

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 07, 2017 - 13:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

Lexmark Scan To Network (SNF) 3.2.9 and earlier stores network configuration credentials in plaintext and transmits them in requests, which allows remote attackers to obtain sensitive information via requests to (1) cgi-bin/direct/printer/prtappauth/apps/snfDestServlet or (2) cgi-bin/direct/printer/prtappauth/apps/ImportExportServlet.

AnalysisAI

Lexmark Scan To Network (SNF) 3.2.9 and earlier stores network configuration credentials in plaintext and transmits them in requests, which allows remote attackers to obtain sensitive information via. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. Lexmark Scan To Network (SNF) 3.2.9 and earlier stores network configuration credentials in plaintext and transmits them in requests, which allows remote attackers to obtain sensitive information via requests to (1) cgi-bin/direct/printer/prtappauth/apps/snfDestServlet or (2) cgi-bin/direct/printer/prtappauth/apps/ImportExportServlet. Affected products include: Lexmark Scan To Network.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.