HOMEVULNERABILITIESCVE-2018-11586
CRITICALPOC

CVE-2018-11586

CWE-611Published: June 5, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

XML external entity (XXE) vulnerability in api/rest/status in SearchBlox 8.6.7 allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.

NVD Source

Technical Analysis

CVE-2018-11586 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2018-11586. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

searchblox1 product(s)
searchblox
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/148032/SearchBlox-8.6.7-XML-External-Entity-Injection.html
ADVISORYhttps://gurelahmet.com/searchblox-8-6-7-out-of-band-xml-external-entity-oob-xxe-cve-2018-11586/
ADVISORYhttps://www.exploit-db.com/exploits/44827/
ADVISORYhttp://packetstormsecurity.com/files/148032/SearchBlox-8.6.7-XML-External-Entity-Injection.html
ADVISORYhttps://gurelahmet.com/searchblox-8-6-7-out-of-band-xml-external-entity-oob-xxe-cve-2018-11586/
ADVISORYhttps://www.exploit-db.com/exploits/44827/

All References (6)

→
http://packetstormsecurity.com/files/148032/SearchBlox-8.6.7-XML-External-Entity-Injection.htmlExploit · Third Party Advisory · VDB Entry
→
https://gurelahmet.com/searchblox-8-6-7-out-of-band-xml-external-entity-oob-xxe-cve-2018-11586/Exploit · Third Party Advisory
→
https://www.exploit-db.com/exploits/44827/Exploit · Third Party Advisory · VDB Entry
→
http://packetstormsecurity.com/files/148032/SearchBlox-8.6.7-XML-External-Entity-Injection.htmlExploit · Third Party Advisory · VDB Entry
→
https://gurelahmet.com/searchblox-8-6-7-out-of-band-xml-external-entity-oob-xxe-cve-2018-11586/Exploit · Third Party Advisory
→
https://www.exploit-db.com/exploits/44827/Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-11586
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-611
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJun 5, 2018

Related CVEs (CWE-611)

CVE-2023-38490
10.0
CVE-2019-14678
10.0
CVE-2017-8110
10.0
CVE-2018-1000820
10.0
CVE-2018-1000822
10.0
CVE-2017-7664
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-11586 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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