Is CVE-2020-0256 in the CISA KEV catalog?

No. CVE-2020-0256 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-0256?

CVE-2020-0256 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2020-0256?

CVE-2020-0256 has an EPSS score of 0.21% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-0256?

Upgrade gdisk on debian 11 to 1.0.6-1 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2020-0256

MEDIUM

6.8

CVSS v3

NVD

Description

In LoadPartitionTable of gpt.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege when inserting a malicious USB device, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-8.0Android ID: A-152874864

CWE-787Out-of-bounds Write

How to fix

Remediation Available

gdiskDebian

Fixed in:1.0.6-1CVE-2020-0256

gdiskRed Hat / RHEL

Fixed in:0:1.0.3-9.el8_6.1RHSA-2024:3486

gdiskRocky

Fixed in:0:1.0.3-9.el8_6.1RHSA-2024:3486

gdisk-debuginfoRed Hat / RHEL

Fixed in:0:1.0.3-9.el8_6.1RHSA-2024:3486

gdisk-debuginfoRocky

Fixed in:0:1.0.3-9.el8_6.1RHSA-2024:3486

gdisk-debugsourceRocky

Fixed in:0:1.0.3-9.el8_6.1RHSA-2024:3486

gdisk-debugsourceRed Hat / RHEL

Fixed in:0:1.0.3-9.el8_6.1RHSA-2024:3486

gdiskUbuntu

Fixed in:1.0.1-1ubuntu0.1~esm2USN-5262-1

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 VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Vendor Advisory1

source.android.com

Third-Party Advisory1

lists.debian.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.