Is CVE-2019-14855 in the CISA KEV catalog?

No. CVE-2019-14855 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-14855?

CVE-2019-14855 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-14855?

CVE-2019-14855 has an EPSS score of 1.05% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-14855?

Upgrade gnupg on ubuntu 18.04 to 2.2.4-1ubuntu1.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-14855

HIGH

7.5

CVSS v3

NVD

Description

A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.

CWE-326

How to fix

Remediation Available

gnupgUbuntu

Fixed in:2.2.4-1ubuntu1.3USN-4516-1

gnupg2Ubuntu

Fixed in:2.2.4-1ubuntu1.3USN-4516-1

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 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

1.05%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Exploit1

rwc.iacr.org

Vendor Advisory2

Third-Party Advisory2

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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.