CVE-2010-3937

Exchange Server vulnerability

CVSS

4.0

EPSS

18.7%

EPSS pct

97th

Exploited

No known

Microsoft Exchange Server 2007 SP2 on the x64 platform allows remote authenticated users to cause a denial of service (infinite loop and MSExchangeIS outage) via a crafted RPC request, aka "Exchange Server Infinite Loop Vulnerability."

Affected vendor

Microsoft

Affected product

Exchange Server

CVSS vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Weakness type (CWE)

CWE-399

Published

2010-12-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 18.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2010-3937

Confirm whether Microsoft Exchange Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-3937.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-3937

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-3937 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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