CRLF injection vulnerability in autologin.jsp in Cisco CiscoWorks Common Services 4.0, as used in Cisco Prime LAN Management Solution and other products, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the URL parameter, aka Bug ID CSCtu18693.
Conclusion & alert: CVE-2011-4237 is rated Low Risk (34.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.28%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-03-17 | 0.21% | 0.28% | +0.07% |
| 2 | 2023-03-07 | 1.14% | 0.21% | -0.93% |
| 3 | 2022-02-04 | — | 1.14% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | ciscoworks_common_services | 4.0 | cpe:2.3:a:cisco:ciscoworks_common_services:4.0:*:*:*:*:*:*:* |