Is CVE-2020-12647 in the CISA KEV catalog?

No. CVE-2020-12647 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12647?

CVE-2020-12647 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-12647?

CVE-2020-12647 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12647?

Upgrade algol compiler to 60.0a.5 or later.

CVE & CISA-KEV Catalog

CVE-2020-12647

HIGH

8.8

CVSS v3

NVD

Description

Unisys ALGOL Compiler 58.1 before 58.1a.15, 59.1 before 59.1a.9, and 60.0 before 60.0a.5 can emit invalid code sequences under rare circumstances related to syntax. The resulting code could, for example, trigger a system fault or adversely affect confidentiality, integrity, and availability.

How to fix

Remediation Available

algol compilerNVD

Affected:>= 60.0, < 60.0a.5Fixed in:60.0a.5CVE-2020-12647derived 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

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Vendor Advisory1

public.support.unisys.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.