CVE-2021-39371
PyWPS XML External Entity Injection
Description
An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.
INFO
Published Date :
Aug. 23, 2021, 1:15 a.m.
Last Modified :
June 2, 2022, 2:48 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-39371 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-39371
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.
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-2021-39371.
| URL | Resource |
|---|---|
| https://github.com/geopython/OWSLib/issues/790 | Issue Tracking Patch Third Party Advisory |
| https://github.com/geopython/pywps/pull/616 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/09/msg00001.html | Mailing List Third Party 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).
Automatic monitor github cve using Github Actions
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-39371 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-39371 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Jun. 02, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:github:owslib:0.24.1:*:*:*:*:*:*:* OR *cpe:2.3:a:osgeo:owslib:0.24.1:*:*:*:*:*:*:* -
Reanalysis by [email protected]
Sep. 14, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:github:owslib:0.24.1:*:*:*:*:*:*:* *cpe:2.3:a:osgeo:pywps:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.5 OR *cpe:2.3:a:github:owslib:0.24.1:*:*:*:*:*:*:* *cpe:2.3:a:osgeo:pywps:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.5 -
Modified Analysis by [email protected]
Sep. 14, 2021
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/09/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/09/msg00001.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:github:owslib:0.24.1:*:*:*:*:*:*:* *cpe:2.3:a:osgeo:pywps:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.0 OR *cpe:2.3:a:github:owslib:0.24.1:*:*:*:*:*:*:* *cpe:2.3:a:osgeo:pywps:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.5 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 10, 2021
Action Type Old Value New Value Changed Description An XML external entity (XXE) injection in PyWPS before 4.5.0 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected. An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected. -
CVE Modified by [email protected]
Sep. 04, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/09/msg00001.html [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 26, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/geopython/OWSLib/issues/790 No Types Assigned https://github.com/geopython/OWSLib/issues/790 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/geopython/pywps/pull/616 No Types Assigned https://github.com/geopython/pywps/pull/616 Patch, Third Party Advisory Added CWE NIST CWE-611 Added CPE Configuration OR *cpe:2.3:a:github:owslib:0.24.1:*:*:*:*:*:*:* *cpe:2.3:a:osgeo:pywps:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-39371 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-2021-39371
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.48 }} 0.14%
score
0.76432
percentile