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CVE-2020-1459

HIGHCVSS 7.5/10EPSS 4.47%

Last modified

CVE-2020-1459 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An information disclosure vulnerability exists on ARM implementations that use speculative execution in control flow via a side-channel analysis, aka "straight-line speculation." To exploit this vulnerability, an attacker with local privileges would need to run a specially crafted application. The security update addresses the vulnerability by bypassing the speculative execution.. EPSS estimates a 4.47% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists on ARM implementations that use speculative execution in control flow via a side-channel analysis, aka "straight-line speculation." To exploit this vulnerability, an attacker with local privileges would need to run a specially crafted application. The security update addresses the vulnerability by bypassing the speculative execution.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
4.47%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 101809
MicrosoftWindows 101903
MicrosoftWindows 101909
MicrosoftWindows 102004

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-1459?
An information disclosure vulnerability exists on ARM implementations that use speculative execution in control flow via a side-channel analysis, aka "straight-line speculation." To exploit this vulnerability, an attacker with local privileges would need to run a specially crafted application. The security update addresses the vulnerability by bypassing the speculative execution.
How severe is CVE-2020-1459?
CVE-2020-1459 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.47% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1459?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1459?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST