How severe is CVE-2018-15719?

CVE-2018-15719 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-2018-15719 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15719?

CVE-2018-15719 affects Opendental. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15719?

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-2018-15719 published?

CVE-2018-15719 was published on 2018-12-12 and last updated on 2026-06-17.

CVE-2018-15719

CVE-2018-15719 is a critical-severity vulnerability in Opendental 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-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Opendental
Published: 2018-12-12
Last modified: 2026-06-17

Description

Open Dental before version 18.4 installs a mysql database and uses the default credentials of "root" with a blank password. This allows anyone on the network with access to the server to access all database information.

Frequently asked questions

What is CVE-2018-15719?: Open Dental before version 18.4 installs a mysql database and uses the default credentials of "root" with a blank password. This allows anyone on the network with access to the server to access all database information.
How severe is CVE-2018-15719?: CVE-2018-15719 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-2018-15719 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15719?: CVE-2018-15719 affects Opendental. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15719?: 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-2018-15719 published?: CVE-2018-15719 was published on 2018-12-12 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2018-44

Affected products (1)

cpe:2.3:a:opendental:opendental:*:*:*:*:*:*:*:*

More vulnerabilities in Opendental

CVE-2016-6531 — Critical (CVSS 9.8): Open Dental 16.1 and earlier has a hardcoded MySQL root password, which allows remote attackers to obtain…
CVE-2018-15718 — High (CVSS 7.5): Open Dental before version 18.4 transmits the entire user database over the network when a remote unauthenticated user…
CVE-2018-15717 — Medium (CVSS 5.3): Open Dental before version 18.4 stores user passwords as base64 encoded MD5 hashes.

All CVEs affecting Opendental →

Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
CVE-2025-53963 — Critical (CVSS 9.8): An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible…
CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Browse all CWE-521 (Weak Password Requirements) vulnerabilities →