Known Exploited Vulnerability
5.3
MEDIUM
CVE-2021-26086
Atlassian Jira Server and Data Center Path Travers - [Actively Exploited]
Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.

INFO

Published Date :

Aug. 16, 2021, 1:15 a.m.

Last Modified :

Nov. 21, 2024, 5:55 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Atlassian Jira Server and Data Center contain a path traversal vulnerability that allows a remote attacker to read particular files in the /WEB-INF/web.xml endpoint.

Required Action :

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes :

https://jira.atlassian.com/browse/JRASERVER-72695 ; https://nvd.nist.gov/vuln/detail/CVE-2021-26086

Public PoC/Exploit Available at Github

CVE-2021-26086 has a 29 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-2021-26086 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 Atlassian jira_server
2 Atlassian jira_data_center
: Total Affected Vendor : 1 | Products : 2
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-2021-26086.

URL Resource
http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html Exploit Third Party Advisory VDB Entry
https://jira.atlassian.com/browse/JRASERVER-72695 Issue Tracking Vendor Advisory
http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html Exploit Third Party Advisory VDB Entry
https://jira.atlassian.com/browse/JRASERVER-72695 Issue Tracking Vendor 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).

Profile Photo
XiaomingX/awesome-poc-for-red-team

A curated collection of Proof of Concept (PoC) tools, scripts, and techniques designed for red team operations, penetration testing, and cybersecurity research. This repository focuses on providing practical resources for exploring vulnerabilities

attack cybersecurity exp hw penetration-testing poc red-team security-tools vulnerability-poc

Updated: 2 weeks, 3 days ago
1 stars 2 fork 2 watcher
Born at : Nov. 17, 2024, 11:53 a.m. This repo has been linked 414 different CVEs too.
Profile Photo
J1ezds/Vulnerability-Wiki-page

这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目

HTML

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : Sept. 20, 2024, 3:27 a.m. This repo has been linked 210 different CVEs too.
Profile Photo
apit-review-account/apit-tool

APIT is a CLI tool designed for API black-box vulnerability fuzzing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, APIV incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 5 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : June 23, 2024, 5:23 a.m. This repo has been linked 105 different CVEs too.
Profile Photo
apif-review/APIF_tool_2024

APIF is a CLI tool designed for API black-box vulnerability testing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, APIV incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 8 months ago
0 stars 0 fork 0 watcher
Born at : April 15, 2024, 8:39 a.m. This repo has been linked 105 different CVEs too.
Profile Photo
apif-review/APIF_tool_2024

None

Updated: 8 months ago
0 stars 0 fork 0 watcher
Born at : April 15, 2024, 4:49 a.m. This repo has been linked 105 different CVEs too.
Profile Photo
lions2012/Penetration_Testing_POC

渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 3 weeks, 3 days ago
6 stars 0 fork 0 watcher
Born at : Feb. 7, 2024, 2:08 p.m. This repo has been linked 305 different CVEs too.
Profile Photo
d4n-sec/d4n-sec.github.io

None

CSS HTML JavaScript

Updated: 10 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.
Profile Photo
youcans896768/APIV_Tool

APIV is a CLI tool designed for API black-box vulnerability testing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, APIV incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 10 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 31, 2024, 9:57 a.m. This repo has been linked 106 different CVEs too.
Profile Photo
anonymous364872/Rapier_Tool

Rapier is a CLI tool designed for API black-box vulnerability testing. It captures API traffic via browser proxy and conducts deep recognition and mutation of API parameters in a tree structure. Additionally, Rapier incorporates various optimization strategies to enhance the precision and efficiency of API vulnerability testing.

Updated: 5 months, 3 weeks ago
1 stars 0 fork 0 watcher
Born at : Jan. 10, 2024, 11:32 a.m. This repo has been linked 106 different CVEs too.
Profile Photo
ArrestX/--POC

poc集合(持续更新ing)

Updated: 7 months, 2 weeks ago
4 stars 0 fork 0 watcher
Born at : July 30, 2023, 1:30 a.m. This repo has been linked 154 different CVEs too.
Profile Photo
HimmelAward/Goby_POC

在公网收集的gobypoc+部分自己加的poc

Updated: 1 month ago
106 stars 7 fork 7 watcher
Born at : July 28, 2023, 4:28 p.m. This repo has been linked 296 different CVEs too.
Profile Photo
0day404/vulnerability-poc

A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库

vulnerability

Updated: 2 months, 3 weeks ago
18 stars 6 fork 6 watcher
Born at : June 24, 2023, 3:12 p.m. This repo has been linked 232 different CVEs too.
Profile Photo
xinyisleep/pocscan

继承大量poc检查 包含oa 如 泛微 通达 致远 万户 等。

Python

Updated: 3 weeks, 5 days ago
274 stars 58 fork 58 watcher
Born at : May 23, 2023, 5:56 a.m. This repo has been linked 36 different CVEs too.
Profile Photo
whoforget/CVE-POC

None

Updated: 1 year, 8 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 923 different CVEs too.
Profile Photo
k0mi-tg/CVE-POC

None

Updated: 10 months, 1 week ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 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-2021-26086 vulnerability anywhere in the article.

  • The Cyber Express
CISA Alerts: Five Newly Exploited Vulnerabilities Added to Critical Watchlist

The Cybersecurity and Infrastructure Security Agency (CISA) has announced the addition of five new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of their active ... Read more

Published Date: Nov 13, 2024 (1 month, 1 week ago)
CVE-2024-49039 CVE-2024-43451 CVE-2024-42509 CVE-2024-21893 CVE-2024-21887 CVE-2023-46805 CVE-2021-44228 CVE-2021-41277 CVE-2021-26086 CVE-2017-11882 ...+1 more CVE
  • The Register
Admins can give thanks this November for dollops of Microsoft patches

Patch Tuesday Patch Tuesday has swung around again, and Microsoft has released fixes for 89 CVE-listed security flaws in its products – including two under active attack – and reissued three more. Acc ... Read more

Published Date: Nov 13, 2024 (1 month, 1 week ago)
CVE-2024-49039 CVE-2024-43639 CVE-2024-43602 CVE-2024-43498 CVE-2024-43451 CVE-2021-41277 CVE-2021-26086 CVE-2014-2120
  • TheCyberThrone
CISA KEV Catalog Update Part III- November 2024

The US CISA adds Microsoft, Metabase, Cisco, and Atlassian vulnerabilities to its Known Exploited Vulnerabilities Catalog based on the evidence of mass exploitation.CVE-2014-2120 Thr vulnerability wit ... Read more

Published Date: Nov 13, 2024 (1 month, 1 week ago)
CVE-2024-8535 CVE-2024-8534 CVE-2024-49039 CVE-2024-43451 CVE-2024-20481 CVE-2022-20821 CVE-2021-1048 CVE-2021-0920 CVE-2021-41277 CVE-2021-26086 ...+1 more CVE
  • The Hacker News
AndroxGh0st Malware Integrates Mozi Botnet to Target IoT and Cloud Services

IoT Security / Vulnerability The threat actors behind the AndroxGh0st malware are now exploiting a broader set of security flaws impacting various internet-facing applications, while also deploying th ... Read more

Published Date: Nov 08, 2024 (1 month, 1 week ago)
CVE-2024-43093 CVE-2024-36401 CVE-2024-4577 CVE-2023-1389 CVE-2022-21587 CVE-2022-1040 CVE-2021-41277 CVE-2021-41773 CVE-2021-26086 CVE-2018-15133 ...+4 more CVE
  • Hackread - Latest Cybersecurity, Tech, Crypto & Hacking News
Androxgh0st Botnet Integrates Mozi, Expands Attacks on IoT Vulnerabilities

CloudSEK reports that the Androxgh0st botnet has integrated with the Mozi botnet and exploits a wide range of vulnerabilities in web applications and IoT devices. Learn about the specific vulnerabilit ... Read more

Published Date: Nov 07, 2024 (1 month, 2 weeks ago)
CVE-2024-36401 CVE-2023-1389 CVE-2021-41773 CVE-2021-26086 CVE-2018-15133 CVE-2017-9841

The following table lists the changes that have been made to the CVE-2021-26086 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/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html
    Added Reference https://jira.atlassian.com/browse/JRASERVER-72695
  • Modified Analysis by [email protected]

    Nov. 13, 2024

    Action Type Old Value New Value
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Nov. 13, 2024

    Action Type Old Value New Value
    Added Due Date 2024-12-03
    Added Vulnerability Name Atlassian Jira Server and Data Center Path Traversal Vulnerability
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    Added Date Added 2024-11-12
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 11, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-22
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 30, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html No Types Assigned http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html Exploit, Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.14 *cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* versions from (including) 8.6.0 up to (excluding) 8.13.6 *cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.1 *cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.14 *cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* versions from (including) 8.6.0 up to (excluding) 8.13.6 *cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.1 OR *cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.14 *cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* versions from (including) 8.6.0 up to (excluding) 8.13.6 *cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.1 *cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.14 *cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* versions from (including) 8.6.0 up to (excluding) 8.13.6 *cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.1
  • CVE Modified by [email protected]

    Oct. 05, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 30, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type https://jira.atlassian.com/browse/JRASERVER-72695 No Types Assigned https://jira.atlassian.com/browse/JRASERVER-72695 Issue Tracking, Vendor Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.14 *cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* versions from (including) 8.6.0 up to (excluding) 8.13.6 *cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.1 *cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.14 *cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* versions from (including) 8.6.0 up to (excluding) 8.13.6 *cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.1
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-2021-26086 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-2021-26086 weaknesses.

Exploit Prediction

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

97.05 }} 0.03%

score

0.99864

percentile

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