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CVE-2008-5104

18
FAUCET Score

CVE-2008-5104 describes a critical vulnerability in Ubuntu 6.06 LTS, 7.10, 8.04 LTS, and 8.10 when installed as a virtual machine via python-vm-builder or ubuntu-vm-builder in VMBuilder 0.9. The flaw assigns "!" (exclamation point) as the default root password, allowing unauthorized access and bypassing intended login restrictions. With a CVSS score of 7.2, this vulnerability is highly severe, enabling local attackers to gain complete control (confidentiality, integrity, and availability) with low attack complexity and no authentication required. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.9CPE matchmatch criteria
cpe:2.3:a:dcgrendel:vmbuilder:0.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 57th percentile among its peer group of 3,236 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 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ubuntuvendor investigatingvia nvd_reference
View patch

References

launchpadlibrarian.net / 19619929/vm-builder_0.9-0ubuntu3.1.debdiff
Exploit
bugs.launchpad.net / ubuntu/+source/vm-builder/+bug/296841
secunia.com / advisories/32697
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/46881
securityfocus.com / bid/32292
Patch
ubuntu.com / usn/usn-670-1
Vendor Advisory