CVE-2011-3839

The administration functionality in Wuzly 2.0 allows remote attackers to bypass authentication by setting the dXNlcm5hbWU cookie.

Published: 2011-12-24 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-3839 is rated Moderate Risk (56.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.59%). Core evidence: EPSS rose +1.21% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2011-3839

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 0.38% 1.59% +1.21%
2 2025-03-17 0.52% 0.38% -0.14%
3 2024-08-13 0.52%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3839

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-3839

Affected software / configurations for CVE-2011-3839

Vendor Product Version Raw CPE
wuzly wuzly 2.0 cpe:2.3:a:wuzly:wuzly:2.0:*:*:*:*:*:*:*

References for CVE-2011-3839

cvelogic Threat Intelligence