CVE-2018-1115

CVE-2018-1115 is a critical-severity vulnerability in Postgresql with a CVSS 3.x base score of 9.1. 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-732.

Key facts

• Severity: Critical (CVSS 3.x base score 9.1)
• CVSS v2: 6.4
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-732
• Affected product: Postgresql
• Published: 2018-05-10
• Last modified: 2026-06-17

Description

postgresql before versions 10.4, 9.6.9 is vulnerable in the adminpack extension, the pg_catalog.pg_logfile_rotate() function doesn't follow the same ACLs than pg_rorate_logfile. If the adminpack is added to a database, an attacker able to connect to it could exploit this to force log rotation.

Frequently asked questions

What is CVE-2018-1115?

postgresql before versions 10.4, 9.6.9 is vulnerable in the adminpack extension, the pg_catalog.pg_logfile_rotate() function doesn't follow the same ACLs than pg_rorate_logfile. If the adminpack is added to a database, an attacker able to connect to it could exploit this to force log rotation.

How severe is CVE-2018-1115?

CVE-2018-1115 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2018-1115 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1115?

CVE-2018-1115 primarily affects Postgresql. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1115?

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-2018-1115 published?

CVE-2018-1115 was published on 2018-05-10 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
• http://www.securityfocus.com/bid/104285
• https://access.redhat.com/errata/RHSA-2018:2565
• https://access.redhat.com/errata/RHSA-2018:2566
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1115
• https://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=7b34740
• https://security.gentoo.org/glsa/201810-08

Affected products (2)

• cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

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