6.6
MEDIUM
CVE-2021-42550
Logback LDAP Remote Code Execution Vulnerability
Description

In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.

INFO

Published Date :

Dec. 16, 2021, 7:15 p.m.

Last Modified :

Dec. 12, 2022, 9:13 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

0.7
Public PoC/Exploit Available at Github

CVE-2021-42550 has a 22 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-2021-42550 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 Netapp service_level_manager
2 Netapp snap_creator_framework
3 Netapp cloud_manager
1 Redhat satellite
1 Siemens sinec_nms
1 Qos logback
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-2021-42550.

URL Resource
http://logback.qos.ch/news.html Vendor Advisory
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2022/Jul/11 Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf Third Party Advisory
https://github.com/cn-panda/logbackRceDemo Exploit Third Party Advisory
https://jira.qos.ch/browse/LOGBACK-1591 Exploit Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0001/ 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).

None

Shell

Updated: 3 months, 3 weeks ago
0 stars 1 fork 1 watcher
Born at : May 2, 2024, 9:30 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:29 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:27 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:26 p.m. This repo has been linked 73 different CVEs too.

None

Shell

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:24 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:22 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:21 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:19 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:18 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:16 p.m. This repo has been linked 73 different CVEs too.

None

Updated: 3 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : May 2, 2024, 9:14 p.m. This repo has been linked 73 different CVEs too.

None

Shell Python HCL JavaScript PHP Go Dockerfile

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : Jan. 20, 2024, 9:35 a.m. This repo has been linked 30 different CVEs too.

None

Java HTML CSS JavaScript

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 6, 2023, 12:59 a.m. This repo has been linked 39 different CVEs too.

None

Java

Updated: 4 months ago
0 stars 0 fork 0 watcher
Born at : June 11, 2023, 5:01 a.m. This repo has been linked 9 different CVEs too.

CVE-log4j CheckMK plugin

log4j2 checkmk-extension checkmk-agent cve-2021-44228 cve-2021-45046 cve-2021-4104 cve-2021-42550 cve-2021-45105 cve-2021-44832

Python Shell

Updated: 1 year, 2 months ago
5 stars 0 fork 0 watcher
Born at : Jan. 3, 2022, 8:55 p.m. This repo has been linked 12 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-2021-42550 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42550 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
  • Modified Analysis by [email protected]

    Dec. 12, 2022

    Action Type Old Value New Value
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3
  • CVE Modified by [email protected]

    Nov. 08, 2022

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 28, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html No Types Assigned http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2022/Jul/11 No Types Assigned http://seclists.org/fulldisclosure/2022/Jul/11 Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Jul. 22, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 22, 2022

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2022/Jul/11 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20211229-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20211229-0001/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:service_level_manager:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 29, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20211229-0001/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 22, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://logback.qos.ch/news.html No Types Assigned http://logback.qos.ch/news.html Vendor Advisory
    Changed Reference Type https://github.com/cn-panda/logbackRceDemo No Types Assigned https://github.com/cn-panda/logbackRceDemo Exploit, Third Party Advisory
    Changed Reference Type https://jira.qos.ch/browse/LOGBACK-1591 No Types Assigned https://jira.qos.ch/browse/LOGBACK-1591 Exploit, Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-502
    Added CPE Configuration OR *cpe:2.3:a:qos:logback:*:*:*:*:*:*:*:* versions up to (including) 1.2.7 *cpe:2.3:a:qos:logback:1.3.0:alpha0:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha10:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha2:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha3:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha4:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha5:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha6:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha7:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha8:*:*:*:*:*:* *cpe:2.3:a:qos:logback:1.3.0:alpha9:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*
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-2021-42550 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-2021-42550 weaknesses.

Exploit Prediction

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

1.56 }} 0.29%

score

0.85521

percentile

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