CVE-2008-5104

Exp

Ubuntu 6.06 LTS, 7.10, 8.04 LTS, and 8.10, when installed as a virtual machine by (1) python-vm-builder or (2) ubuntu-vm-builder in VMBuilder 0.9 in Ubuntu 8.10, have ! (exclamation point) as the default root password, which allows attackers to bypass intended login restrictions.

Published: 2008-11-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-5104 is rated Exploit Available (57/100): CVSS High severity, with low exploitation likelihood (EPSS 0.47%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2008-5104

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-5104

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.11% 0.47% +0.35%
2 2023-03-07 1.03% 0.11% -0.92%
3 2022-02-04 — 1.03% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-5104

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2008-5104

OS Trackers for CVE-2008-5104

vendor priority summary link
ubuntu high CVE-2008-5104 high priority: Ubuntu including 1 source packages (shadow), 5 status rows across 5 suites (dapper, gutsy, hardy, intrepid, upstream): released 4, needs-triage 1. https://ubuntu.com/security/CVE-2008-5104

Affected software / configurations for CVE-2008-5104

Vendor Product Version Raw CPE
dcgrendel vmbuilder 0.9 cpe:2.3:a:dcgrendel:vmbuilder:0.9:*:*:*:*:*:*:*

References for CVE-2008-5104

cvelogic Threat Intelligence