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CVE-2013-1063

14
FAUCET Score

CVE-2013-1063 is a local privilege escalation vulnerability affecting usb-creator versions before 0.2.47.1, 0.2.40ubuntu2, and 0.2.38.2 on Canonical and Evan Dandrea Ubuntu Linux distributions. It stems from improper D-Bus communication with a polkit authority, allowing local users to bypass access restrictions through a PolkitUnixProcess PolkitSubject race condition. The vulnerability has a CVSS score of 4.6, indicating low severity with local access, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
12.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
13.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*
0.2.38CPE matchmatch criteria
cpe:2.3:a:evan_dandrea:usb-creator:0.2.38:*:*:*:*:*:*:*
0.2.38.1CPE matchmatch criteria
cpe:2.3:a:evan_dandrea:usb-creator:0.2.38.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
30.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 50th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (1)

ubuntupatch availablevia nvd_reference
View patch

References

secunia.com / advisories/54901
Vendor Advisory
launchpad.net / ubuntu/+source/usb-creator/0.2.38.2
Patch
launchpad.net / ubuntu/+source/usb-creator/0.2.40ubuntu2
Patch
launchpad.net / ubuntu/+source/usb-creator/0.2.47.1
Patch
ubuntu.com / usn/USN-1963-1