CVE-2020-13671
Drupal core Un-restricted Upload of File - [Actively Exploited]
Description
Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.
INFO
Published Date :
Nov. 20, 2020, 4:15 p.m.
Last Modified :
July 24, 2024, 4:44 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Improper sanitization in the extension file names is present in Drupal core.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2020-13671 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-13671.
| URL | Resource |
|---|---|
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ | Mailing List Release Notes |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ | Mailing List Release Notes |
| https://www.drupal.org/sa-core-2020-012 | Vendor Advisory |
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).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-13671 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-13671 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.
-
Modified Analysis by [email protected]
Jul. 24, 2024
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ Mailing List, Release Notes Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ Mailing List, Release Notes -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Drupal.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ [No types assigned] Added Reference Drupal.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ [No types assigned] Removed Reference Drupal.org https://lists.fedoraproject.org/archives/list/[email protected]/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ Removed Reference Drupal.org https://lists.fedoraproject.org/archives/list/[email protected]/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ -
Modified Analysis by [email protected]
Jan. 01, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 15, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ [No Types Assigned] -
CVE Modified by [email protected]
Dec. 15, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 03, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.drupal.org/sa-core-2020-012 No Types Assigned https://www.drupal.org/sa-core-2020-012 Vendor Advisory Added CWE NIST CWE-434 Added CPE Configuration OR *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 7.0 up to (excluding) 7.74 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 8.8 up to (excluding) 8.8.11 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 8.9 up to (excluding) 8.9.9 *cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (excluding) 9.0.8
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-13671 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-2020-13671
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
53.72 }} 7.72%
score
0.97707
percentile