SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2001-0660

Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).

MEDIUM 5.0EPSS 22.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 22.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
21.99% probability · 98th percentile
CISA KEV
Not listed
Affected
microsoft/exchange server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.