Is CVE-2020-0539 in the CISA KEV catalog?

No. CVE-2020-0539 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-0539?

CVE-2020-0539 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-0539?

CVE-2020-0539 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-0539?

Upgrade converged security management engine firmware to 12.0.64 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-0539

MEDIUM

5.5

CVSS v3

NVD

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.

CWE-22Path Traversal

How to fix

Remediation Available

converged security management engine firmwareNVD

Affected:>= 12.0, < 12.0.64Fixed in:12.0.64CVE-2020-0539derived from NVD

Affected:>= 14.0, < 14.0.33Fixed in:14.0.33CVE-2020-0539derived from NVD

trusted execution engine firmwareNVD

Affected:>= 4.0, < 4.0.25Fixed in:4.0.25CVE-2020-0539derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory1

intel.com

Other references2

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.