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CVE-2019-13475: In MobaXterm 11.1, the mobaxterm: URI handler has an argument injection vulnerability that allows remote at...

In MobaXterm 11.1, the mobaxterm: URI handler has an argument injection vulnerability that allows remote attackers to execute arbitrary commands when the user visits a specially crafted URL. Based on the available command-line arguments of the software, one can simply inject -exec to execute arbitrary commands. The additional arguments -hideterm and -exitwhendone in the payload make the attack less visible.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

MobaXterm 11.1 can be abused through its custom mobaxterm: link handler. If a user opens a malicious link, an attacker may cause commands to run on that user’s workstation. This is most relevant to phishing, drive-by links, and environments where MobaXterm is installed on administrator or developer machines.

Executive priority

Prioritize remediation on administrator and developer workstations. The business risk is workstation compromise from a link-click scenario, especially where MobaXterm is used for privileged access. The limited source data warrants verification before broad emergency action.

Technical view

The mobaxterm: URI handler in MobaXterm 11.1 has an argument injection flaw. A remote attacker can pass unintended command-line arguments through a crafted URL and reach command execution behavior exposed by the application. The provided bundle does not include CVSS, CWE, fixed-version, or vendor mitigation details.

Likely exposure

Exposure is likely limited to endpoints with MobaXterm 11.1 installed and the mobaxterm: URI protocol handler registered. Risk is higher for privileged users, administrators, developers, and systems where browsers or email clients can launch custom protocol links.

Exploitation context

The source bundle supports remote command execution after user interaction with a specially crafted URL. It does not show CISA KEV listing or other evidence of active exploitation. Treat exploitation status as unconfirmed, not known exploited.

Researcher notes

Affected metadata in the bundle is incomplete and lists vendor/product as n/a, but the description specifically names MobaXterm 11.1. No public CVSS, CWE, patch level, or KEV evidence is provided. Avoid assuming other versions are affected without vendor confirmation.

Mitigation direction

  • Inventory endpoints for MobaXterm 11.1 installations.
  • Check vendor guidance for fixed versions or recommended configuration changes.
  • Upgrade affected installations if a vendor-supported fixed release is available.
  • Disable or restrict the mobaxterm: URI handler where business workflows allow.
  • Harden browsers and email clients against unsolicited custom protocol launches.

Validation and detection

  • Confirm whether MobaXterm 11.1 is installed on managed endpoints.
  • Verify whether the mobaxterm: protocol handler is registered.
  • Identify users with administrative privileges who run affected installations.
  • Review endpoint telemetry for unexpected MobaXterm launches from browsers or mail clients.
  • Confirm remediation by rechecking version and protocol-handler state.
Prepared
Confidence
medium
Sources
3

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

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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
2Source 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.