How severe is CVE-2013-4577?

CVE-2013-4577 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2013-4577 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4577?

CVE-2013-4577 affects Gnu Grub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4577?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4577 published?

CVE-2013-4577 was published on 2014-05-12 and last updated on 2026-06-16.

CVE-2013-4577

CVE-2013-4577 is a low-severity vulnerability in Gnu Grub with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Gnu Grub
Published: 2014-05-12
Last modified: 2026-06-16

Description

A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.

Frequently asked questions

What is CVE-2013-4577?: A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.
How severe is CVE-2013-4577?: CVE-2013-4577 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2013-4577 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4577?: CVE-2013-4577 affects Gnu Grub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4577?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4577 published?: CVE-2013-4577 was published on 2014-05-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:gnu:grub:-:*:*:*:*:*:*:*

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