Is CVE-2020-12439 in the CISA KEV catalog?

No. CVE-2020-12439 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12439?

CVE-2020-12439 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2020-12439?

CVE-2020-12439 has an EPSS score of 1.55% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12439?

Upgrade grin to 3.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2020-12439

MEDIUMEPSS 72th pctl

5.3

CVSS v3

NVD

Description

Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.

CWE-404

How to fix

Remediation Available

grinNVD

Affected:< 3.1.0Fixed in:3.1.0CVE-2020-12439derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.55%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Patch2

Third-Party Advisory1

github.com

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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.