CVE-2011-1911

JasperServer in JasperReports Server Community Project 3.7.0 and 3.7.1 uses a predictable _flowExecutionKey parameter, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via a brute-force approach.

Published: 2011-09-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1911 is rated Moderate Risk (54.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.95%). 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-2011-1911

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 2026-03-22 0.73% 0.95% +0.22%
2 2026-01-09 0.51% 0.73% +0.23%
3 2025-03-30 — 0.51% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1911

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2011-1911

Affected software / configurations for CVE-2011-1911

Vendor Product Version Raw CPE
jasperforge jasperreports_server_community_project 3.7.0 cpe:2.3:a:jasperforge:jasperreports_server_community_project:3.7.0:*:*:*:*:*:*:*
jasperforge jasperreports_server_community_project 3.7.1 cpe:2.3:a:jasperforge:jasperreports_server_community_project:3.7.1:*:*:*:*:*:*:*

References for CVE-2011-1911

cvelogic Threat Intelligence