Is CVE-2023-27591 in the CISA KEV catalog?

No. CVE-2023-27591 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-27591?

CVE-2023-27591 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-27591?

CVE-2023-27591 has an EPSS score of 0.76% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-27591?

Upgrade miniflux to 2.0.43 or later.

CVE & CISA-KEV Catalog

CVE-2023-27591

HIGH

7.5

CVSS v3

NVD

Description

Miniflux is a feed reader. Prior to version 2.0.43, an unauthenticated user can retrieve Prometheus metrics from a publicly reachable Miniflux instance where the `METRICS_COLLECTOR` configuration option is enabled and `METRICS_ALLOWED_NETWORKS` is set to `127.0.0.1/8` (the default). A patch is available in Miniflux 2.0.43. As a workaround, set `METRICS_COLLECTOR` to `false` (default) or run Miniflux behind a trusted reverse-proxy.

CWE-200Information Exposure CWE-1220

How to fix

Remediation Available

minifluxNVD

Affected:< 2.0.43Fixed in:2.0.43CVE-2023-27591derived from NVD

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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.76%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Release Notes1

github.com

Product1

miniflux.app

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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 2024-11-21.