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CVE-2011-4555

16
FAUCET Score

CVE-2011-4555 describes a denial of service vulnerability in One Click Orgs versions prior to 1.2.3, where the application fails to enforce unique email addresses for user accounts. This allows authenticated attackers to create accounts with existing email addresses, leading to login disruption for legitimate users or enabling vote/comment spoofing. With a CVSS score of 4.0 (AV:N/AC:L/Au:S/C:N/I:N/A:P), this issue is of low severity, requiring authentication and having a low impact on availability. 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
<= 1.2.2CPE matchmatch criteria
cpe:2.3:a:oneclickorgs:one_click_orgs:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:oneclickorgs:one_click_orgs:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:oneclickorgs:one_click_orgs:1.0.1:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:oneclickorgs:one_click_orgs:1.1.0:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:oneclickorgs:one_click_orgs:1.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 68th percentile among its peer group of 21,951 CVEs.

Social Chatter

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

dmcdonald.net
groups.google.com / group/oneclickorgs-devspace/msg/26c40a4cc9e127d2