8.2
HIGH CVSS 3.1
CVE-2025-71063
Errands CalDAV TLS Certificate Verification Remote Information Disclosure
Description

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

INFO

Published Date :

Jan. 12, 2026, 4:16 p.m.

Last Modified :

Jan. 12, 2026, 4:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-71063 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 8254265b-2729-46b6-b9e3-3dfca2d5bfca
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
Solution
Ensure TLS certificates are validated for CalDAV servers.
  • Update the software to a version that verifies TLS certificates.
  • Configure the software to validate CalDAV server TLS certificates.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-71063 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-71063 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-71063 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-71063 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 12, 2026

    Action Type Old Value New Value
    Added Description Errands before 46.2.10 does not verify TLS certificates for CalDAV servers.
    Added CVSS V3.1 AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
    Added CWE CWE-295
    Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1123738
    Added Reference https://github.com/mrvladus/Errands/commit/04e567b432083fc798ea2249363ea6c83ff01099
    Added Reference https://github.com/mrvladus/Errands/compare/46.2.9...46.2.10
    Added Reference https://github.com/mrvladus/Errands/issues/401
    Added Reference https://github.com/mrvladus/Errands/releases/tag/46.2.10
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact