CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NCVE-2020-13844
Medium (5.5). EPSS 0.5% chance of exploitation in the next 30 days.
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."
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
- CWE
- CWE-203
- Published
- Modified
- Record from
- the NVD, synced
Affected
- arm:cortex-a32_firmware
- arm:cortex-a34_firmware
- arm:cortex-a35_firmware
- arm:cortex-a53_firmware
- arm:cortex-a57_firmware
- arm:cortex-a72_firmware
- arm:cortex-a73_firmware
- opensuse:leap
References
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation