CVE-2020-13844

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
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."
Overview
  • CVE ID
  • CVE-2020-13844
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-08T23:15:10
  • Last Modified Date
  • 2022-04-28T19:30:58
Weakness Enumerations
CWE URL
CWE-203 http://cwe.mitre.org/data/definitions/203.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:arm:cortex-a32_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a32:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:arm:cortex-a35_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a35:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:arm:cortex-a53_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a53:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:arm:cortex-a57_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a57:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:arm:cortex-a72_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a72:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:arm:cortex-a73_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a73:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:arm:cortex-a34_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:arm:cortex-a34:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability Vendor Advisory
https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html Patch Third Party Advisory
http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html Mailing List Third Party Advisory
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions Vendor Advisory
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-13844
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13844
History
Created Old Value New Value Data Type Notes
2022-05-08 06:20:43 Added to TrackCVE
2022-12-04 17:32:59 2020-06-08T23:15Z 2020-06-08T23:15:10 CVE Published Date updated
2022-12-04 17:32:59 2022-04-28T19:30:58 CVE Modified Date updated
2022-12-04 17:32:59 Analyzed Vulnerability Status updated