Is CVE-2017-7548 in the CISA KEV catalog?

No. CVE-2017-7548 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7548?

CVE-2017-7548 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-7548?

CVE-2017-7548 has an EPSS score of 3.52% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7548?

Upgrade postgresql-9.3 on ubuntu 14.04 to 9.3.18-0ubuntu0.14.04.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-7548

HIGHEPSS 88th pctl

7.5

CVSS v3

NVD

Description

PostgreSQL versions before 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers with no privileges on a large object to overwrite the entire contents of the object, resulting in a denial of service.

CWE-862Missing Authorization

How to fix

Remediation Available

postgresql-9.3Ubuntu

Fixed in:9.3.18-0ubuntu0.14.04.1USN-3390-1

postgresql-9.5Ubuntu

Fixed in:9.5.8-0ubuntu0.16.04.1USN-3390-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

3.52%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Vendor Advisory1

postgresql.org

Third-Party Advisory7

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.