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CVE-2007-4548

26
FAUCET Score

CVE-2007-4548 describes a critical authentication bypass vulnerability in Apache Geronimo 2.0. The flaw allows remote attackers to gain administrative access and deploy arbitrary modules by providing a blank username and password via the command-line deployer. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication or complex attack vectors, and leading to complete compromise of confidentiality, integrity, and availability. Despite its critical nature, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:apache:geronimo:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
4.19%
Probability of exploitation in next 30 days
EPSS Percentile
89.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0419 is in the 82nd percentile among its peer group of 51,466 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, 0.1 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

geronimo.apache.org / 2007/08/13/apache-geronimo-v20-release-delayed-due-to-security-issue.html
geronimo.apache.org / 2007/08/21/apache-geronimo-201-released.html
issues.apache.org / jira/browse/GERONIMO-1201
issues.apache.org / jira/browse/GERONIMO-3404
Patch
nabble.com / Geronimo-2.0-Release-suspended-due-to-security-issue-found-before-release-t4263667s134.html