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Servers and applications

CVE-2012-6612

The (1) UpdateRequestHandler for XSLT or (2) XPathEntityProcessor in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, different vectors than CVE-2013-6407.

Severity
High 7.5
Published
7 Dec 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
10% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Apache SolrServers and applications · cpe:a:apache:solr
  • Every version up to 4.0.0
  • Version 4.0.0-alpha
  • Version 4.0.0-beta

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-6612
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-6612