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CVE Record

CVE-2018-1000834: runelite version <= runelite-parent-1.4.23 contains a XML External Entity (XXE) vulnerability in Man in the...

runelite version <= runelite-parent-1.4.23 contains a XML External Entity (XXE) vulnerability in Man in the middle runscape services call that can result in Disclosure of confidential data, denial of service, SSRF, port scanning.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

RuneLite versions up to runelite-parent-1.4.23 are reported to be vulnerable to XML External Entity processing during a man-in-the-middle RuneScape services call. The stated impacts include confidential data disclosure, denial of service, SSRF, and port scanning. Public metadata does not provide CVSS, CWE, or a confirmed fixed version.

Executive priority

Treat this as a targeted exposure review rather than an emergency unless affected RuneLite clients are present. Prioritize confirming inventory, removing vulnerable versions, and monitoring outbound activity where affected systems exist.

Technical view

The CVE describes an XXE flaw in RuneLite <= runelite-parent-1.4.23 when XML is processed in a man-in-the-middle service-call context. If reachable, XXE behavior can expose local data or make the client issue unintended network requests. Source metadata lists impact categories but not exploit maturity, scoring, or precise remediation.

Likely exposure

Exposure appears limited to environments running affected RuneLite versions, especially where network traffic can be intercepted or influenced. The CVE source uses n/a for vendor and product fields, so asset matching should rely on RuneLite version evidence rather than CPE data.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle. The references describe a man-in-the-middle context, but the bundle does not establish active exploitation, public weaponization, or prevalence in enterprise environments.

Researcher notes

Evidence is sparse: no CVSS vector, CWE mapping, CPEs, or confirmed fixed release is present in the supplied CVE metadata. Do not assume active exploitation. Focus analysis on RuneLite version confirmation, XXE parser behavior, and the man-in-the-middle service-call condition described by the sources.

Mitigation direction

  • Inventory RuneLite installations and identify versions at or below runelite-parent-1.4.23.
  • Check RuneLite issue 6160 and project release notes for confirmed remediation guidance.
  • Remove, update, or isolate affected clients according to verified project guidance.
  • Avoid untrusted or intercepting network paths for affected clients until remediated.
  • Apply endpoint egress restrictions where feasible to reduce SSRF and scanning impact.

Validation and detection

  • Confirm installed RuneLite versions through endpoint inventory or software management records.
  • Map any findings to versions at or below runelite-parent-1.4.23.
  • Review whether affected clients use proxies, TLS interception, or untrusted networks.
  • Check security telemetry for unusual outbound requests from affected endpoints.
  • Document remediation status and any temporary compensating controls.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-1000834 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.