What’s Vulnerable › Vulnerabilities
CVE-2021-33813
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 19.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-06-16 · updated 2026-06-17
- Weakness: CWE-611
Description
An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request.
Affected products
- Apache Software Foundation Apache Solr: 8.8.1, 8.9
- Apache Software Foundation Apache Tika: 1.25
- Debian Linux: 9.0
- Fedoraproject Fedora: 35
- Jdom: through 2.0.6
- Oracle Communications Messaging Server: 8.1
References
- https://alephsecurity.com/vulns/aleph-2021003
- https://github.com/hunterhacker/jdom/pull/188
- https://github.com/hunterhacker/jdom/releases
- https://lists.apache.org/thread.html/r21c406c7ed88fe340db7dbae75e58355159e6c324037c7d5547bf40b%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r5674106135bb1a6ef57483f4c63a9c44bca85d0e2a8a05895a8f1d89%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r6db397ae7281ead825338200d1f62d2827585a70797cc9ac0c4bd23f%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r845e987b7cd8efe610284958e997b84583f5a98d3394adc09e3482fe%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r89b3800cfabb1e773e49425e5d4239c28a659839a2eca6af3431482e%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r9974f64723875052e02787b2a5eda689ac5247c71b827d455e5dc9a6%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/rbc075a4ac85e7a8e47420b7383f16ffa0af3b792b8423584735f369f%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/rfb7a93e40ebeb1e0068cde0bf3834dcab46bb1ef06d6424db48ed9fd%40%3Cdev.tika.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/06/msg00026.html
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