Back
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…
- 2.1LowCVSS base score
- 0.38%Exploitation in 30 daysEPSS · top 67% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 11 months later
· 11 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.38% · top 67% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Affected products
n/a
- affected n/a
References
4
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20131114 CVE Request: grub-mkconfig (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20131114 Re: CVE Request: grub-mkconfig (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.openwall.com/lists/oss-security/2024/01/15/3 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-4435 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-4577)Record last updated .