What is the CVSS score of CVE-2017-17427?

CVE-2017-17427 has a CVSS 3.0 base score of 5.9 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 70.5%.

Is there a public PoC exploit available for CVE-2017-17427?

Yes, a public proof-of-concept exploit is available for CVE-2017-17427. Prioritise patching immediately. EPSS: 70.5%.

Alteon Firmware CVE-2017-17427

MEDIUM

Observable Discrepancy (CWE-203)

2017-12-13 cve@mitre.org

Information Disclosure Alteon Firmware

5.9

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Dec 13, 2017 - 16:29 cve.org

MEDIUM 5.9

DescriptionCVE.org

Radware Alteon devices with a firmware version between 31.0.0.0-31.0.3.0 are vulnerable to an adaptive-chosen ciphertext attack ("Bleichenbacher attack"). This allows an attacker to decrypt observed traffic that has been encrypted with the RSA cipher and to perform other private key operations.

AnalysisAI

Radware Alteon devices with a firmware version between 31.0.0.0-31.0.3.0 are vulnerable to an adaptive-chosen ciphertext attack ("Bleichenbacher attack"). Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and EPSS exploitation probability 70.5%.

Technical ContextAI

This vulnerability is classified under CWE-203. Radware Alteon devices with a firmware version between 31.0.0.0-31.0.3.0 are vulnerable to an adaptive-chosen ciphertext attack ("Bleichenbacher attack"). This allows an attacker to decrypt observed traffic that has been encrypted with the RSA cipher and to perform other private key operations. Affected products include: Radware Alteon Firmware.

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.