What is the CVSS score of CVE-2017-18001?

CVE-2017-18001 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: 20.8%.

Is there a public PoC exploit available for CVE-2017-18001?

Yes, a public proof-of-concept exploit is available for CVE-2017-18001. Prioritise patching immediately. EPSS: 20.8%.

Secure Web Gateway CVE-2017-18001

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2017-12-31 cve@mitre.org

Authentication Bypass Secure Web Gateway

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

Dec 31, 2017 - 19:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

AnalysisAI

Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authorized Keys data, and consequently obtain remote root access,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 20.8%.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. Trustwave Secure Web Gateway (SWG) through 11.8.0.27 allows remote attackers to append an arbitrary public key to the device's SSH Authorized Keys data, and consequently obtain remote root access, via the publicKey parameter to the /sendKey URI. Affected products include: Trustwave Secure Web Gateway. Version information: through 11.8.0.27.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.