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CVE-2013-4577

13
FAUCET Score

CVE-2013-4577 describes a vulnerability in a specific Debian patch for GNU GRUB where the grub.cfg file is set with world-readable permissions. This misconfiguration allows local users to access sensitive information, specifically password hashes, by reading the password_pbkdf2 directive within the file. The vulnerability has a low severity CVSS score of 2.1 (AV:L/AC:L/Au:N/C:P/I:N/A:N), indicating it requires local access and has a potential impact of information disclosure. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:gnu:grub:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
31.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 48th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2013-4577

CVE-2013-4577

References

bugs.debian.org / cgi-bin/bugreport.cgi
seclists.org / oss-sec/2013/q4/291
Patch
seclists.org / oss-sec/2013/q4/292
Patch
openwall.com / lists/oss-security/2024/01/15/3