9.8
CRITICAL
CVE-2020-13921
Apache SkyWalking H2/MySQL/TiDB SQL Injection Vulnerability
Description

**Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.

INFO

Published Date :

Aug. 5, 2020, 2:15 p.m.

Last Modified :

Nov. 7, 2023, 3:16 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-13921 has a 3 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-2020-13921 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.

ID Vendor Product Action
1 Apache skywalking
: Total Affected Vendor : 1 | Products : 1
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-2020-13921.

URL Resource
http://www.openwall.com/lists/oss-security/2020/08/05/3 Mailing List Third Party Advisory
https://github.com/apache/skywalking/pull/4970 Third Party Advisory
https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6%40%3Cdev.skywalking.apache.org%3E

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).

Profile Photo
Veraxy00/SkywalkingRCE-vul

Skywalking远程代码执行漏洞验证

Java

Updated: 1 year, 4 months ago
18 stars 6 fork 6 watcher
Born at : Feb. 22, 2021, 9:05 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
DSO-Lab/pocscan

None

Updated: 6 months ago
110 stars 22 fork 22 watcher
Born at : Jan. 20, 2021, 6:09 a.m. This repo has been linked 15 different CVEs too.
Profile Photo
shanika04/apache_skywalking

CVE-2020-9483 OR CVE-2020-13921

Shell Makefile Java Scala Batchfile ANTLR FreeMarker PHP Python Thrift

Updated: 3 years, 8 months ago
1 stars 0 fork 0 watcher
Born at : Jan. 6, 2021, 1:22 p.m. This repo has been linked 2 different CVEs too.

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

The following list is the news that have been mention CVE-2020-13921 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-13921 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6%40%3Cdev.skywalking.apache.org%3E [No types assigned]
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6@%3Cdev.skywalking.apache.org%3E
  • Initial Analysis by [email protected]

    Aug. 07, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2020/08/05/3 No Types Assigned http://www.openwall.com/lists/oss-security/2020/08/05/3 Mailing List, Third Party Advisory
    Changed Reference Type https://github.com/apache/skywalking/pull/4970 No Types Assigned https://github.com/apache/skywalking/pull/4970 Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6@%3Cdev.skywalking.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6@%3Cdev.skywalking.apache.org%3E Mailing List, Vendor Advisory
    Added CWE NIST CWE-89
    Added CPE Configuration OR *cpe:2.3:a:apache:skywalking:6.5.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:skywalking:6.6.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:skywalking:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:skywalking:8.0.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:skywalking:8.0.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 05, 2020

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r6f3a934ebc54585d8468151a494c1919dc1ee2cccaf237ec434dbbd6@%3Cdev.skywalking.apache.org%3E [No Types Assigned]
    Added Reference http://www.openwall.com/lists/oss-security/2020/08/05/3 [No Types Assigned]
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-13921 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-2020-13921 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.66 }} 0.45%

score

0.87628

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: