CVE-2022-25277 Details
Drupal core sanitizes filenames with dangerous extensions upon upload (reference: SA-CORE-2020-012) and strips leading and trailing dots from filenames to prevent uploading server configuration files (reference: SA-CORE-2019-010). However, the protections for these two vulnerabilities previously did not work correctly together. As a result, if the site were configured to allow the upload of files with an htaccess extension, these files' filenames would not be properly sanitized. This could allow bypassing the protections provided by Drupal core's default .htaccess files and possible remote code execution on Apache web servers. This issue is mitigated by the fact that it requires a field administrator to explicitly configure a file field to allow htaccess as an extension (a restricted permission), or a contributed module or custom code that overrides allowed file uploads.
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Exploit prediction scoring system (EPSS) score for CVE-2022-25277
EPSS (Exploit Prediction Scoring System): EPSS predicts the likelihood that a vulnerability will be exploited in the wild. A higher percentage means a greater chance of an exploit occurring. The EPSS model produces a probability score between 0 and 1 (0 and 100%).
0.21 Probability of exploitation activity being observed over the next 30 days (44rd percentile)
CVSS score for CVE-2022-25277
CVSS (Common Vulnerability Scoring System): An open framework owned and managed by FIRST.Org, Inc. that assigns a numerical score from 0 to 10 to software vulnerabilities to indicate their severity.
7.2 High
Products affected by CVE-2022-25277
Drupal 8.0.2
Drupal 8.0.4
Drupal 8.1.1
Drupal 8.1.7
Drupal 8.2.1
DVE Score by Bitsight AI
DVE scores complement traditional static scoring systems like CVSS with Bitsight AI powered real-time threat intelligence and underground cyber criminal activity so that security teams can reduce alert fatigue and focus on vulnerabilities most likely to be exploited.
Not available
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CVE-2022-25277 Global Footprint

Top 10 Identified Countries

Country Observations Percentage
US 504 34.88%
DE 152 10.52%
FR 115 7.96%
RU 54 3.74%
CA 48 3.32%
IE 44 3.04%
IN 43 2.98%
AU 39 2.70%
SG 38 2.63%
NL 38 2.63%

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CVE-2022-25277 Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry* Observations Percentage
Technology 1,026 82.54%
Education 62 4.99%
Telecommunications 60 4.83%
Government/Politics 45 3.62%
Business Services 14 1.13%
Nonprofit/NGO 11 0.88%
Finance 7 0.56%
Manufacturing 6 0.48%
Insurance 4 0.32%
Healthcare/Wellness 2 0.16%

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