CVE-2012-2138

Org.Apache.Sling.Servlets.Post vulnerability

CVSS

5.0

EPSS

14.1%

EPSS pct

96th

Exploited

No known

The @CopyFrom operation in the POST servlet in the org.apache.sling.servlets.post bundle before 2.1.2 in Apache Sling does not prevent attempts to copy an ancestor node to a descendant node, which allows remote attackers to cause a denial of service (infinite loop) via a crafted HTTP request.

Affected vendor

Apache

Affected product

Org.Apache.Sling.Servlets.Post

CVSS vector

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

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

2012-07-09

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 availability.

Its EPSS score of 14.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2012-2138

Confirm whether Apache Org.Apache.Sling.Servlets.Post is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-2138.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-2138

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-2138 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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