What is the CVSS score of CVE-2017-5927?

CVE-2017-5927 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2017-5927?

Yes, a public proof-of-concept exploit is available for CVE-2017-5927. Prioritise patching immediately. EPSS: 0.4%.

A64 CVE-2017-5927

HIGH

Information Exposure (CWE-200)

2017-02-27 cve@mitre.org

Information Disclosure A64 Athlon Ii 640 X4 E 350 Fx 8120 8 Core Fx 8320 8 Core Fx 8350 8 Core Phenom 9550 4 Core Atom C2750 Celeron N2840 Core I5 M480 Core I7 2620Qm Core I7 3632Qm Core I7 4500U Core I7 6700K Core I7 920 Xeon E3 1240 V5 Xeon E5 2658 V2 Tegra K1 Cd570M A1 Tegra K1 Cd580M A1 Exynos 5800

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Feb 27, 2017 - 07:59 cve.org

HIGH 7.5

DescriptionCVE.org

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR.

AnalysisAI

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. Rated high severity (CVSS 7.5), 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 Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR. Affected products include: Allwinner A64, Amd Athlon Ii 640 X4, Amd E-350, Amd Fx-8120 8-Core, Amd Fx-8320 8-Core.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.