Open redirect vulnerability in exchweb/bin/redir.asp in Microsoft Outlook Web Access (OWA) for Exchange Server 2003 SP2 (aka build 6.5.7638) allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the URL parameter.
Conclusion & alert: CVE-2008-1547 is rated High Exploit Risk (71.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 63.11%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.45% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 32489 | exploit_db | edb | 2008-10-15 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-12-28 | 58.66% | 63.11% | +4.45% |
| 2 | 2025-12-27 | 63.11% | 58.66% | -4.45% |
| 3 | 2025-12-16 | — | 63.11% | — |
Full EPSS history (29 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 |
|---|---|---|---|
| microsoft | exchange_server | 2003 | cpe:2.3:a:microsoft:exchange_server:2003:sp2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://securityreason.com/securityalert/4441 | Third Party Advisory |
| http://www.securityfocus.com/archive/1/497374/100/0/threaded | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/archive/1/497390/100/0/threaded | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/archive/1/497433/100/0/threaded | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/archive/1/497500/100/0/threaded | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/archive/1/497534/100/0/threaded | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/31765 | Exploit Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/46061 | VDB Entry |