CVE-2018-1000823
CRITICALCVSS 10/10EPSS 1.88%
Last modified
CVE-2018-1000823 is a critical-severity vulnerability rated 10/10 on the CVSS scale. exist version <= 5.0.0-RC4 contains a XML External Entity (XXE) vulnerability in XML Parser for REST Server that can result in Disclosure of confidential data, denial of service, SSRF, port scanning.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.
Description
exist version <= 5.0.0-RC4 contains a XML External Entity (XXE) vulnerability in XML Parser for REST Server that can result in Disclosure of confidential data, denial of service, SSRF, port scanning.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Exist-Db | Exist | < 5.0.0 | — |
| Exist-Db | Exist | 5.0.0 | Rc1 |
References
- https://0dd.zone/2018/10/27/exist-XXE/Third Party Advisory
- https://github.com/eXist-db/exist/issues/2180Issue Tracking, Third Party Advisory
- https://0dd.zone/2018/10/27/exist-XXE/Third Party Advisory
- https://github.com/eXist-db/exist/issues/2180Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-1000823?
exist version <= 5.0.0-RC4 contains a XML External Entity (XXE) vulnerability in XML Parser for REST Server that can result in Disclosure of confidential data, denial of service, SSRF, port scanning.
How severe is CVE-2018-1000823?
CVE-2018-1000823 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1000823?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-1000823?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST