How severe is CVE-2018-16203?

CVE-2018-16203 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-2018-16203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16203?

CVE-2018-16203 affects Pgpool Pgpooladmin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16203?

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-2018-16203 published?

CVE-2018-16203 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-16203

CVE-2018-16203 is a critical-severity vulnerability in Pgpool Pgpooladmin 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Pgpool Pgpooladmin
Published: 2019-01-09
Last modified: 2026-06-17

Description

PgpoolAdmin 4.0 and earlier allows remote attackers to bypass the login authentication and obtain the administrative privilege of the PostgreSQL database via unspecified vectors.

Frequently asked questions

What is CVE-2018-16203?: PgpoolAdmin 4.0 and earlier allows remote attackers to bypass the login authentication and obtain the administrative privilege of the PostgreSQL database via unspecified vectors.
How severe is CVE-2018-16203?: CVE-2018-16203 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-2018-16203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16203?: CVE-2018-16203 affects Pgpool Pgpooladmin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16203?: 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-2018-16203 published?: CVE-2018-16203 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pgpool:pgpooladmin:*:*:*:*:*:*:*:*