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CVE-2017-14478: In the MMM::Agent::Helpers::Network::clear_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_...

In the MMM::Agent::Helpers::Network::clear_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1 (for Linux), a specially crafted MMM protocol message can cause a shell command injection resulting in arbitrary command execution with the privileges of the mmm\_agentd process. An attacker that can initiate a TCP session with mmm\_agentd can trigger this vulnerability.

CriticalCVSS 9.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This is a critical remote command execution issue in MySQL Multi-Master Replication Manager MMM 2.2.1 on Linux. If an attacker can open a TCP session to mmm_agentd, a crafted MMM protocol message can run commands with the agent process privileges.

Executive priority

Treat this as urgent for any environment still using MMM 2.2.1. The business risk is full compromise of affected database management hosts if the agent is reachable, even without attacker credentials.

Technical view

MMM::Agent::Helpers::Network::clear_ip in mmm_agentd 2.2.1 mishandles specially crafted MMM protocol messages, enabling shell command injection. CVSS 3.0 is 9.8: network attack vector, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is most likely where legacy MMM 2.2.1 Linux agents are still deployed and mmm_agentd is reachable over TCP by untrusted networks, partner networks, or compromised internal hosts.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack precondition is TCP session access to mmm_agentd, making network reachability the key practical risk factor.

Researcher notes

The public description identifies command injection in clear_ip through crafted MMM protocol messaging. Sources do not provide a confirmed fixed version, mitigation advisory, exploit-in-the-wild evidence, or deeper implementation detail in the supplied bundle.

Mitigation direction

  • Inventory systems running MySQL MMM mmm_agentd 2.2.1 on Linux.
  • Restrict TCP access to mmm_agentd to trusted management hosts only.
  • Remove or disable unused MMM agents where operationally possible.
  • Check Talos and vendor guidance for fixed versions or official remediation.
  • Prioritize compensating controls if an official patch path is unavailable.

Validation and detection

  • Confirm whether MMM 2.2.1 is present on Linux database management hosts.
  • Map all network paths that can reach mmm_agentd over TCP.
  • Review firewall rules and segmentation for untrusted access to agent ports.
  • Check process ownership to understand command execution privilege impact.
  • Look for unexpected child processes or command activity from mmm_agentd.
Prepared
Confidence
high
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

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

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. 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-2017-14478 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
Critical
CVSS
9.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.0CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

9.8Critical
CVSS 3.0 vector shape for CVE-2017-14478Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TalosMySql MMMMMM 2.2.1Listed
Weakness

CWE details

No CWE listed

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