Is CVE-2020-27748 in the CISA KEV catalog?

No. CVE-2020-27748 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27748?

CVE-2020-27748 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-27748?

CVE-2020-27748 has an EPSS score of 1.44% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27748?

Upgrade xdg-utils on ubuntu 16.04 to 1.1.1-1ubuntu1.16.04.4 or later.

CVE & CISA-KEV Catalog

CVE-2020-27748

MEDIUM

6.5

CVSS v3

NVD

Description

A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows attachments to be discreetly added via the URI when being passed to Thunderbird. An attacker could potentially send a victim a URI that automatically attaches a sensitive file to a new email. If a victim user does not notice that an attachment was added and sends the email, this could result in sensitive information disclosure. It has been confirmed that the code behind this issue is in xdg-email and not in Thunderbird.

CWE-201

How to fix

Remediation Available

xdg-utilsUbuntu

Fixed in:1.1.1-1ubuntu1.16.04.4USN-4649-1

Fixed in:1.1.2-1ubuntu2.4USN-4649-1

Fixed in:1.1.3-2ubuntu1.20.04.1USN-4649-1

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.44%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Exploit1

gitlab.freedesktop.org

Third-Party Advisory1

bugzilla.redhat.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.