SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-0539

Path traversal in subsystem for Intel(R) DAL software for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32, 14.0.33 and Intel(R) TXE versions before 3.1.75, 4.0.25 may allow an unprivileged user to potentially enable denial of…

MEDIUM 5.5EPSS 0.37%

Does this matter?

Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.

Description

Path traversal in subsystem for Intel(R) DAL software for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32, 14.0.33 and Intel(R) TXE versions before 3.1.75, 4.0.25 may allow an unprivileged user to potentially enable denial of service via local access.

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.37% probability · 30th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-22
Affected
intel/converged security management engine firmware · intel/trusted execution engine firmware
Source
secure@intel.com
EPSS trend
0%3%5%26 October 2026: 0.37%26 October 202626 October 2026

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.