CVE-2014-3462: The ".encfs6.xml" configuration file in encfs before 1.7.5 allows remote attackers to access sensitive data by

Q: How do I fix CVE-2014-3462?

leap: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation; encfs: upgrade to 1.7.5. Exact commands for each OS are on this page.

Q: Is CVE-2014-3462 being exploited?

CVE-2014-3462 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-3462 affect?

CVE-2014-3462 affects leap, opensuse, encfs. Severity is high (CVSS 7.5). The ".encfs6.xml" configuration file in encfs before 1.7.5 allows remote attackers to access sensitive data by setting "blockMACBytes" to 0 and adding 8 to "blockMACRandBytes".

Q: How urgent is CVE-2014-3462?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEMITIGATEMITIGATEUPGRADE

CVE-2014-3462 is a high-severity flaw (CVSS 7.5) affecting leap, opensuse, encfs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The ".encfs6.xml" configuration file in encfs before 1.7.5 allows remote attackers to access sensitive data by setting "blockMACBytes" to 0 and adding 8 to "blockMACRandBytes".

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-200
Published	2017-08-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: encfs project · opensuse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-08-07 20:29 UTCPublished CVE record published
2026-06-17 00:08 UTCUpdated Record last modified

opensuse leap MITIGATE

Affected: 42.1 · 42.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 42.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

opensuse opensuse MITIGATE

Affected: 13.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

encfs project encfs UPGRADE

Affected: < 1.7.5

Fixed in: 1.7.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy encfs || rpm -q encfs || encfs --version

2. UPGRADE to 1.7.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade encfs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade encfs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-3462?

leap: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation; encfs: upgrade to 1.7.5. Exact commands for each OS are on this page.

Is CVE-2014-3462 being exploited?

CVE-2014-3462 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-3462 affect?

CVE-2014-3462 affects leap, opensuse, encfs. Severity is high (CVSS 7.5). The ".encfs6.xml" configuration file in encfs before 1.7.5 allows remote attackers to access sensitive data by setting "blockMACBytes" to 0 and adding 8 to "blockMACRandBytes".

How urgent is CVE-2014-3462?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

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References

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