Is CVE-2021-3709 in the CISA KEV catalog?

No. CVE-2021-3709 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3709?

CVE-2021-3709 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-3709?

CVE-2021-3709 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3709?

Upgrade apport on ubuntu 14.04 to 2.14.1-0ubuntu3.29+esm8 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-3709

MEDIUM

6.5

CVSS v3

NVD

Description

Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.20.9-0ubuntu7.26; 2.20.11 versions prior to 2.20.11-0ubuntu27.20; 2.20.11 versions prior to 2.20.11-0ubuntu65.3;

CWE-538 CWE-22Path Traversal

How to fix

Remediation Available

apportUbuntu

Fixed in:2.14.1-0ubuntu3.29+esm8USN-5077-2

Fixed in:2.20.1-0ubuntu2.30+esm2USN-5077-2

Fixed in:2.20.9-0ubuntu7.26USN-5077-1

Fixed in:2.20.11-0ubuntu27.20USN-5077-1

python-apportUbuntu

Fixed in:2.14.1-0ubuntu3.29+esm8USN-5077-2

Fixed in:2.20.1-0ubuntu2.30+esm2USN-5077-2

Fixed in:2.20.9-0ubuntu7.26USN-5077-1

python3-apportUbuntu

Fixed in:2.14.1-0ubuntu3.29+esm8USN-5077-2

Fixed in:2.20.1-0ubuntu2.30+esm2USN-5077-2

Fixed in:2.20.9-0ubuntu7.26USN-5077-1

Fixed in:2.20.11-0ubuntu27.20USN-5077-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Exploit1

bugs.launchpad.net

Vendor Advisory2

Third-Party Advisory1

cve.mitre.org

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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.