CVE-2013-4481: Race condition in Luci 0.26.0 creates /var/lib/luci/etc/luci.ini with world-readable permissions before restri

Routine

LOW 1.9WATCHLISTDOWNGRADEMITIGATE

CVE-2013-4481 is a low-severity flaw (CVSS 1.9) affecting luci, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Race condition in Luci 0.26.0 creates /var/lib/luci/etc/luci.ini with world-readable permissions before restricting the permissions, which allows local users to read the file and obtain sensitive information such as "authentication secrets."

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	1.9 (Low)
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-362
Published	2013-11-23
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: redhat · scientificlinux

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-11-23 11:55 UTCPublished CVE record published
2026-06-16 23:57 UTCUpdated Record last modified

scientificlinux luci DOWNGRADE

Affected: 0.26.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.26.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.26.0 (Debian / Ubuntu)

apt-cache madison luci sudo apt install luci=<VERSION_BEFORE_0.26.0> sudo apt-mark hold luci

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list luci sudo dnf downgrade luci-<VERSION_BEFORE_0.26.0> sudo dnf versionlock add luci

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

redhat enterprise linux MITIGATE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

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.

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-2013-4481?

luci: downgrade or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-4481 being exploited?

CVE-2013-4481 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-2013-4481 affect?

CVE-2013-4481 affects luci, enterprise linux. Severity is low (CVSS 1.9). Race condition in Luci 0.26.0 creates /var/lib/luci/etc/luci.ini with world-readable permissions before restricting the permissions, which allows local users to read the file and obtain sensitive information such as "authentication secrets.

How urgent is CVE-2013-4481?

Priority 16/100. On your watchlist

Related CVEs

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CVE-2023-3085 LOW 3.5 UPGRADE A vulnerability, which was classified as problematic, has been found in X-WRT luci up to 22.10_b202303061504
CVE-2023-24181 MEDIUM 5.4 DOWNGRADE LuCI openwrt-22.03 branch git-22.361.69894-438c598 was discovered to contain a reflected cross-site scripting
CVE-2022-41435 MEDIUM 5.4 DOWNGRADE OpenWRT LuCI version git-22.140.66206-02913be was discovered to contain a stored cross-site scripting (XSS) vu

References

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