CRLF injection vulnerability in spacewalk-java before 2.1.148-1 and Red Hat Network (RHN) Satellite 5.6 allows remote attackers to inject arbitrary HTTP headers, and conduct HTTP response splitting attacks and cross-site scripting (XSS) attacks, via the return_url parameter.
Conclusion & alert: CVE-2013-1869 is rated Moderate Risk (45.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.85%). Core evidence: EPSS rose +1.43% 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.
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 | 0.42% | 1.85% | +1.43% |
| 2 | 2025-03-17 | 0.32% | 0.42% | +0.10% |
| 3 | 2023-03-07 | — | 0.32% | — |
Full EPSS history (4 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 | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2013-1869 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| redhat | satellite | 5.6 | cpe:2.3:a:redhat:satellite:5.6:*:*:*:*:*:*:* |
| redhat | spacewalk-java | <= 2.1.147-1 | cpe:2.3:a:redhat:spacewalk-java:*:*:*:*:*:*:*:* |