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No exploitation reportedFix available

CVE-2020-13844

No exploitation reported by the sources we read.

  • Published2020-06-08
  • WeaknessCWE-203

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."

Timeline

dates in UTC
  1. 2020-06-0823:15CVE publishedNVD

Versions per branch

NVD
Opensuse leap
BranchAffectedFixed in
15.1= 15.1no fix published
15.2= 15.2no fix published
Arm cortex-a32 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published
Arm cortex-a34 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published

5 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • :unknown:Androidfrom Pixel-family specific:0 · fixed in Pixel-family specific:2022-04-05
  • cross-nvptx-gcc10SUSE:Linux Enterprise Server for SAP Applications 15all versions · fixed in 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10SUSE:Linux Enterprise Server 15-LTSSall versions · fixed in 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10SUSE:Linux Enterprise Module for Toolchain 12all versions · fixed in 10.2.1+git583-1.3.1
  • cross-nvptx-gcc10SUSE:Linux Enterprise Module for Development Tools 15 SP2all versions · fixed in 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10SUSE:Linux Enterprise Module for Development Tools 15 SP1all versions · fixed in 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10SUSE:Linux Enterprise High Performance Computing 15-LTSSall versions · fixed in 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10SUSE:Linux Enterprise High Performance Computing 15-ESPOSall versions · fixed in 10.2.1+git583-1.3.2

65 more package ranges on OSV.dev

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2020-06-08
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-jwjh-w2wp-2gvv

Frequently asked questions

What is CVE-2020-13844?

Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."

Is CVE-2020-13844 actively exploited?

Active exploitation of CVE-2020-13844 has not been confirmed. Its EPSS score was 0.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13844?

CVE-2020-13844 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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