CVE-2013-3868

Active Directory Lightweight Directory Service vulnerability

CVSS

5.0

EPSS

38.3%

EPSS pct

98th

Exploited

No known

Microsoft Active Directory Lightweight Directory Service (AD LDS) on Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, and Windows 8 and Active Directory Services on Windows Server 2008 SP2 and R2 SP1 and Server 2012 allow remote attackers to cause a denial of service (LDAP directory-service outage) via a crafted LDAP query, aka "Remote Anonymous DoS Vulnerability."

Affected vendor

Microsoft

Affected product

Active Directory Lightweight Directory Service

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2013-09-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 38.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2013-3868

Confirm whether Microsoft Active Directory Lightweight Directory Service is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-3868.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-3868

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-3868 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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