CVE-2020-26829
SAP NetWeaver Cluster Connection allows Unauthenticated Remote Access
Description
SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary connections from processes because of missing authentication check, that are outside the cluster and even outside the network segment dedicated for the internal cluster communication. As result, an unauthenticated attacker can invoke certain functions that would otherwise be restricted to system administrators only, including access to system administration functions or shutting down the system completely.
INFO
Published Date :
Dec. 9, 2020, 5:15 p.m.
Last Modified :
Nov. 21, 2024, 5:20 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2020-26829
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.0 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Apply the appropriate patch according to the vendor advisory.
Public PoC/Exploit Available at Github
CVE-2020-26829 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-2020-26829.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html | Third Party Advisory |
| http://seclists.org/fulldisclosure/2021/Jun/33 | Mailing List Third Party Advisory |
| https://launchpad.support.sap.com/#/notes/2974774 | Permissions Required Vendor Advisory |
| https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 | Vendor Advisory |
| http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html | Third Party Advisory |
| http://seclists.org/fulldisclosure/2021/Jun/33 | Mailing List Third Party Advisory |
| https://launchpad.support.sap.com/#/notes/2974774 | Permissions Required Vendor Advisory |
| https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-26829 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-2020-26829
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).
Automatic monitor github cve using Github Actions
Python
Onapsis Security Advisories. https://www.onapsis.com
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-26829 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-26829 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html Added Reference http://seclists.org/fulldisclosure/2021/Jun/33 Added Reference https://launchpad.support.sap.com/#/notes/2974774 Added Reference https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-287 CWE-306 -
Modified Analysis by [email protected]
Jun. 17, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html No Types Assigned http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Jun/33 No Types Assigned http://seclists.org/fulldisclosure/2021/Jun/33 Mailing List, Third Party Advisory Changed Reference Type https://launchpad.support.sap.com/#/notes/2974774 Permissions Required https://launchpad.support.sap.com/#/notes/2974774 Permissions Required, Vendor Advisory -
CVE Modified by [email protected]
Jun. 15, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/163166/SAP-Netweaver-JAVA-7.50-Missing-Authorization.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 14, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Jun/33 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 10, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://launchpad.support.sap.com/#/notes/2974774 No Types Assigned https://launchpad.support.sap.com/#/notes/2974774 Permissions Required Changed Reference Type https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 No Types Assigned https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 Vendor Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:* *cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:* *cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:* *cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:* *cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:* *cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 10
Base CVSS Score: 10
Base CVSS Score: 9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.14 }} 0.40%
score
0.83517
percentile