Is CVE-2025-71063 in the CISA KEV catalog?

No. CVE-2025-71063 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-71063?

CVE-2025-71063 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2025-71063?

CVE-2025-71063 has an EPSS score of 0.14% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-71063?

Upgrade errands on debian unstable to 46.2.10-1 or later.

CVE & CISA-KEV Catalog

CVE-2025-71063

HIGH

8.2

CVSS v3

NVD

Description

Errands before 46.2.10 does not verify TLS certificates for CalDAV servers.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

errandsDebian

Fixed in:46.2.10-1CVE-2025-71063

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 VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.14%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Patch2

Third-Party Advisory1

bugs.debian.org

Issue Tracking1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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 2026-02-05.