Atlassian Confluence Server/Confluence Data Center up to 6.13.22/7.4.10/7.11.5/7.12.4 Webwork OGNL injection
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability was found in Atlassian Confluence Server and Confluence Data Center up to 6.13.22/7.4.10/7.11.5/7.12.4 and classified as critical. Affected by this issue is an unknown code of the component Webwork OGNL Handler. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
The weakness was presented 08/27/2021. The advisory is available at confluence.atlassian.com. This vulnerability is handled as CVE-2021-26084. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.
A public exploit has been developed by Fellipe Oliveira (h3v0x) in Python and been published 5 days after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/17/2021:
Apply updates per vendor instructions.
Upgrading to version 6.13.23, 7.4.11, 7.11.6, 7.12.5 or 7.13.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Exploit-DB (50243).
Product
Vendor
Name
Version
- 6.13.0
- 6.13.1
- 6.13.2
- 6.13.3
- 6.13.4
- 6.13.5
- 6.13.6
- 6.13.7
- 6.13.8
- 6.13.9
- 6.13.10
- 6.13.11
- 6.13.12
- 6.13.13
- 6.13.14
- 6.13.15
- 6.13.16
- 6.13.17
- 6.13.18
- 6.13.19
- 6.13.20
- 6.13.21
- 6.13.22
- 7.4.0
- 7.4.1
- 7.4.2
- 7.4.3
- 7.4.4
- 7.4.5
- 7.4.6
- 7.4.7
- 7.4.8
- 7.4.9
- 7.4.10
- 7.11.0
- 7.11.1
- 7.11.2
- 7.11.3
- 7.11.4
- 7.11.5
- 7.12.0
- 7.12.1
- 7.12.2
- 7.12.3
- 7.12.4
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: InjectionCWE: CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Access: Public
Status: Highly functional
Author: Fellipe Oliveira (h3v0x)
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Upgrade: Confluence Server/Confluence Data Center 6.13.23/7.4.11/7.11.6/7.12.5/7.13.0
Timeline
01/25/2021 🔍08/27/2021 🔍
08/27/2021 🔍
09/01/2021 🔍
09/01/2021 🔍
04/21/2024 🔍
Sources
Vendor: atlassian.comAdvisory: confluence.atlassian.com
Status: Confirmed
CVE: CVE-2021-26084 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/27/2021 11:53Updated: 04/21/2024 11:21
Changes: 08/27/2021 11:53 (38), 09/01/2021 10:27 (11), 09/01/2021 12:48 (2), 04/21/2024 11:21 (25)
Complete: 🔍
Submitter: angelasienna
Committer: misc
Submit
Accepted
- Submit #19402: Confluence Server and Data Center - CVE-2021-26084 - Confluence Server Webwork OGNL injection (by angelasienna)
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