CVE-2012-2138

mediumpriority · track · 35EPSS 0.141 · 97 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

14.1% (97th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimaryCWE-400US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-37487Apache Sling - Denial of Servicefunctional · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
apache org.apache.sling.servlets.post≤ 2.1.0nvdUScpe:2.3:a:apache:org.apache.sling.servlets.post:*:*:*:*:*:*:*:*
Maven org.apache.sling:org.apache.sling.servlets.post< 2.1.2osvUSpkg:maven/org.apache.sling/org.apache.sling.servlets.post

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-342c-f869-5m44Apache Sling POST Servlets Denial of Service Vulnerability2022-05-17ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2012-07-09modified 2026-06-16

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references (8)

External citations — patches, advisories, analysis.

scry

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