5.5

CVE-2020-13844: arm cortex-a32_firmware Observable Discrepancy

CVSS: 5.5v3.1MediumModified
AliasesSUSE-SU-2020:2947-1SUSE-SU-2020:3263-1SUSE-SU-2020:3749-1
Published 08-06-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-13844 is a medium (CVSS 5.5) Observable Discrepancy vulnerability in arm cortex-a32_firmware. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.49%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2024:10703-1SUSE-SU-2023:3662-1

Timeline

  1. 08-06-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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."

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

-0.02 pp

From 0.51% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse53 products
  • cross-nvptx-gcc10&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10&distro=SUSE Linux Enterprise Module for Development Tools 15 SP1< 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 10.2.1+git583-1.3.2
  • cross-nvptx-gcc10&distro=SUSE Linux Enterprise Module for Toolchain 12< 10.2.1+git583-1.3.1
Ubuntu41 products
  • gcc-10< 10.2.0-5ubuntu1~20.04
  • gcc-3.3All versions (No fix recorded)
  • gcc-4.7All versions (No fix recorded)
  • gcc-4.7-armel-crossAll versions (No fix recorded)
  • gcc-4.7-armhf-crossAll versions (No fix recorded)
Opensuse10 products
  • leapEOL15.1 | 15.2
  • cross-nvptx-gcc10&distro=openSUSE Leap 15.1< 10.2.1+git583-lp151.2.1
  • cross-nvptx-gcc10&distro=openSUSE Leap 15.2< 10.2.1+git583-lp152.2.1
  • gcc10&distro=openSUSE Leap 15.1< 10.2.1+git583-lp151.2.2
  • gcc10&distro=openSUSE Leap 15.2< 10.2.1+git583-lp152.2.2
Arm7 products

4 vendors · 111 products

References

31 links
Show all 31 references