CVE-2008-1547Exchange Server Open Redirect
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.
Published Oct 20, 2008 · Updated Apr 22, 2026
Key Facts
Routine patching- CVE-2008-1547 is a medium-severity vulnerability (CVSS 4.3 v2) affecting Exchange Server (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 48% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS (30-day exploit likelihood)
48%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
54/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
- advisory4441
- advisory20081015 MS OWA 2003 Redirection Vulnerability
- advisory20081015 Re: MS OWA 2003 Redirection Vulnerability
- advisory20081015 Re: Re: MS OWA 2003 Redirection Vulnerability
- advisory20081017 Re: MS OWA 2003 Redirection Vulnerability - [MSRC 7368br]
- advisory20081019 Re: MS OWA 2003 Redirection Vulnerability - [MSRC7368br]
Description
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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Exchange ServerMicrosoft | 2003-sp2 | n/a |
Timeline
Publicly disclosed
Oct 20, 2008
Last updated
Apr 22, 2026
Weakness Type
- CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
References
- advisory4441
- advisory20081015 MS OWA 2003 Redirection Vulnerability
- advisory20081015 Re: MS OWA 2003 Redirection Vulnerability
- advisory20081015 Re: Re: MS OWA 2003 Redirection Vulnerability
- advisory20081017 Re: MS OWA 2003 Redirection Vulnerability - [MSRC 7368br]
FAQ
Common Questions.
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.
Affected: Exchange Server (Microsoft) versions 2003-sp2. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2008-1547 On Your Attack Surface?
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