How severe is CVE-2017-14477?

CVE-2017-14477 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-14477 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14477?

CVE-2017-14477 affects Mysql-mmm Mysql Multi-master Replication Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14477?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-14477 published?

CVE-2017-14477 was published on 2018-05-09 and last updated on 2026-06-17.

CVE-2017-14477

CVE-2017-14477 is a critical-severity vulnerability in Mysql-mmm Mysql Multi-master Replication Manager with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Mysql-mmm Mysql Multi-master Replication Manager
Published: 2018-05-09
Last modified: 2026-06-17

Description

In the MMM::Agent::Helpers::Network::add_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1 (for FreeBSD), 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.

Frequently asked questions

What is CVE-2017-14477?: In the MMM::Agent::Helpers::Network::add_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1 (for FreeBSD), 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.
How severe is CVE-2017-14477?: CVE-2017-14477 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-14477 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14477?: CVE-2017-14477 affects Mysql-mmm Mysql Multi-master Replication Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14477?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-14477 published?: CVE-2017-14477 was published on 2018-05-09 and last updated on 2026-06-17.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0501

Affected products (1)

cpe:2.3:a:mysql-mmm:mysql_multi-master_replication_manager:2.2.1:*:*:*:*:freebsd:*:*

More vulnerabilities in Mysql-mmm Mysql Multi-master Replication Manager

CVE-2017-14481 — Critical (CVSS 9.8): In the MMM::Agent::Helpers::Network::send_arp function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1…
CVE-2017-14480 — Critical (CVSS 9.8): In the MMM::Agent::Helpers::Network::clear_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1…
CVE-2017-14479 — Critical (CVSS 9.8): In the MMM::Agent::Helpers::Network::clear_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1…
CVE-2017-14478 — Critical (CVSS 9.8): In the MMM::Agent::Helpers::Network::clear_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1…
CVE-2017-14476 — Critical (CVSS 9.8): In the MMM::Agent::Helpers::Network::add_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1…
CVE-2017-14475 — Critical (CVSS 9.8): In the MMM::Agent::Helpers::Network::add_ip function in MySQL Multi-Master Replication Manager (MMM) mmm_agentd 2.2.1…

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