// For flags

CVE-2021-26084

Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

27
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

-
*SSVC
Descriptions

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

En las versiones afectadas de Confluence Server y Data Center, se presenta una vulnerabilidad de inyección OGNL que permitiría a un usuario no autenticado ejecutar código arbitrario en una instancia de Confluence Server o Data Center. Las versiones afectadas son las versiones anteriores a 6.13.23, desde versiones 6.14.0 anteriores a 7.4.11, desde versiones 7.5.0 anteriores a 7.11.6 y desde versiones 7.12.0 anteriores a 7.12.5.

Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-25 CVE Reserved
  • 2021-08-30 CVE Published
  • 2021-09-01 First Exploit
  • 2021-11-03 Exploited in Wild
  • 2021-11-17 KEV Due Date
  • 2024-09-17 CVE Updated
  • 2024-11-16 EPSS Updated
CWE
  • CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
CAPEC
References (33)
URL Date SRC
https://www.exploit-db.com/exploits/50243 2021-09-01
https://github.com/0xf4n9x/CVE-2021-26084 2022-02-10
https://github.com/dinhbaouit/CVE-2021-26084 2021-09-01
https://github.com/1ZRR4H/CVE-2021-26084 2021-09-07
https://github.com/dorkerdevil/CVE-2021-26084 2022-01-11
https://github.com/crowsec-edtech/CVE-2021-26084 2021-09-01
https://github.com/taythebot/CVE-2021-26084 2021-09-08
https://github.com/lleavesl/CVE-2021-26084 2021-10-27
https://github.com/CrackerCat/CVE-2021-26084 2021-09-01
https://github.com/Loneyers/CVE-2021-26084 2021-09-03
https://github.com/b1gw00d/CVE-2021-26084 2021-09-01
https://github.com/JKme/CVE-2021-26084 2021-09-01
https://github.com/orangmuda/CVE-2021-26084 2022-01-27
https://github.com/antx-code/CVE-2021-26084 2022-01-14
https://github.com/smadi0x86/CVE-2021-26084 2023-06-06
https://github.com/p0nymc1/CVE-2021-26084 2021-09-03
https://github.com/wdjcy/CVE-2021-26084 2021-10-02
https://github.com/Jun-5heng/CVE-2021-26084 2022-04-18
https://github.com/maskerTUI/CVE-2021-26084 2021-09-02
https://github.com/nahcusira/CVE-2021-26084 2024-05-06
https://github.com/30579096/Confluence-CVE-2021-26084 2021-09-03
https://github.com/nizar0x1f/CVE-2021-26084-patch- 2021-09-08
https://github.com/vpxuser/CVE-2021-26084-EXP 2023-07-05
https://github.com/kkin77/CVE-2021-26084-Confluence-OGNL 2021-09-06
https://github.com/BeRserKerSec/CVE-2021-26084-Nuclei-template 2021-09-02
https://github.com/Osyanina/westone-CVE-2021-26084-scanner 2021-09-01
http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html 2024-09-17
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Atlassian
Search vendor "Atlassian"
Confluence Data Center
Search vendor "Atlassian" for product "Confluence Data Center"
< 6.13.23
Search vendor "Atlassian" for product "Confluence Data Center" and version " < 6.13.23"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Data Center
Search vendor "Atlassian" for product "Confluence Data Center"
>= 6.14.0 < 7.4.11
Search vendor "Atlassian" for product "Confluence Data Center" and version " >= 6.14.0 < 7.4.11"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Data Center
Search vendor "Atlassian" for product "Confluence Data Center"
>= 7.5.0 < 7.11.6
Search vendor "Atlassian" for product "Confluence Data Center" and version " >= 7.5.0 < 7.11.6"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Data Center
Search vendor "Atlassian" for product "Confluence Data Center"
>= 7.12.0 < 7.12.5
Search vendor "Atlassian" for product "Confluence Data Center" and version " >= 7.12.0 < 7.12.5"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Server
Search vendor "Atlassian" for product "Confluence Server"
< 6.13.23
Search vendor "Atlassian" for product "Confluence Server" and version " < 6.13.23"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Server
Search vendor "Atlassian" for product "Confluence Server"
>= 6.14.0 < 7.4.11
Search vendor "Atlassian" for product "Confluence Server" and version " >= 6.14.0 < 7.4.11"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Server
Search vendor "Atlassian" for product "Confluence Server"
>= 7.5.0 < 7.11.6
Search vendor "Atlassian" for product "Confluence Server" and version " >= 7.5.0 < 7.11.6"
-
Affected
Atlassian
Search vendor "Atlassian"
Confluence Server
Search vendor "Atlassian" for product "Confluence Server"
>= 7.12.0 < 7.12.5
Search vendor "Atlassian" for product "Confluence Server" and version " >= 7.12.0 < 7.12.5"
-
Affected