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CVE-2013-6409

20
FAUCET Score

CVE-2013-6409 describes a local privilege escalation vulnerability in Debian adequate versions prior to 0.8.1. When run as root with the --user option, a local attacker could exploit the TIOCSTI ioctl to hijack the tty, potentially gaining elevated privileges. This vulnerability has a CVSS score of 6.2 (AV:L/AC:H/Au:N/C:C/I:C/A:C), indicating a high impact on confidentiality, integrity, and availability, but requiring high attack complexity and local access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8CPE matchmatch criteria
cpe:2.3:a:debian:adequate:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:debian:adequate:0.1:*:*:*:*:*:*:*
0.1.1CPE matchmatch criteria
cpe:2.3:a:debian:adequate:0.1.1:*:*:*:*:*:*:*
0.2CPE matchmatch criteria
cpe:2.3:a:debian:adequate:0.2:*:*:*:*:*:*:*
0.2.1CPE matchmatch criteria
cpe:2.3:a:debian:adequate:0.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.2MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 19th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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

Remediation records are not available for this CVE.

References

bugs.debian.org / cgi-bin/bugreport.cgi
bitbucket.org / jwilk/adequate/raw/tip/debian/changelog
securityfocus.com / bid/63994