Is CVE-2020-17478 in the CISA KEV catalog?

No. CVE-2020-17478 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-17478?

CVE-2020-17478 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-17478?

CVE-2020-17478 has an EPSS score of 1.14% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-17478?

Upgrade p5-crypt-perl to 0.33 or later.

CVE & CISA-KEV Catalog

CVE-2020-17478

HIGH

7.5

CVSS v3

NVD

Description

ECDSA/EC/Point.pm in Crypt::Perl before 0.33 does not properly consider timing attacks against the EC point multiplication algorithm.

CWE-203

How to fix

Remediation Available

p5-crypt-perlNVD

Affected:< 0.33Fixed in:0.33CVE-2020-17478derived 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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.14%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Patch1

github.com

Related Vulnerabilities

Other CWE-203 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-5753	Medium	5.6	94%	-	Fix
CVE-2003-0190	Medium	5.0	77%	-	Fix
CVE-2017-5715	Medium	5.6	74%	-	Fix
CVE-2018-3639	Medium	5.5	61%	-	Fix
CVE-2023-28770	High	7.5	58%	-	Fix
CVE-2004-1602	Medium	5.0	31%	-	-

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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.