CVE-2012-2138
CVE-2012-2138 is a medium-severity vulnerability in Apache Org.apache.sling.servlets.post with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 14% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: Apache Org.apache.sling.servlets.post
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2012-2138?
- 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.
- How severe is CVE-2012-2138?
- CVE-2012-2138 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2012-2138 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-2138?
- CVE-2012-2138 affects Apache Org.apache.sling.servlets.post. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2012-2138?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-2138 published?
- CVE-2012-2138 was published on 2012-07-09 and last updated on 2026-06-16.
References
- http://mail-archives.apache.org/mod_mbox/www-announce/201207.mbox/%3CCAEWfVJ=PwoQmwJg0KmbrC17Gw51kgfKRsqgy=4RpMQsdGh0bVg%40mail.gmail.com%3E
- http://svn.apache.org/viewvc?view=revision&revision=1352865
- https://issues.apache.org/jira/browse/SLING-2517
Affected products (1)
- cpe:2.3:a:apache:org.apache.sling.servlets.post:*:*:*:*:*:*:*:*
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