CVE-2008-2143

Unspecified versions of Microsoft Outlook Web Access (OWA) use the Cache-Control: no-cache HTTP directive instead of no-store, which might cause web browsers that follow RFC-2616 to cache sensitive information.

Published: 2008-05-12 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-2143 is rated Low Risk (33.8/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.54%). EPSS rose +1.08% over the last day, indicating growing attacker interest. 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.

Exploit prediction scoring system (EPSS) score for CVE-2008-2143

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 0.46% 1.54% +1.08%
2 2025-03-30 0.41% 0.46% +0.05%
3 2025-03-29 — 0.41% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-2143

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.9 2.0 LOW
AV:L/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.4 2.9 [email protected]

Weakness enumeration for CVE-2008-2143

Affected software / configurations for CVE-2008-2143

Vendor Product Version Raw CPE
microsoft outlook_web_access — cpe:2.3:a:microsoft:outlook_web_access:*:*:*:*:*:*:*:*

References for CVE-2008-2143

cvelogic Threat Intelligence