9.8
CRITICAL CVSS 3.1
CVE-2020-17523
Apache Shiro Spring Authentication Bypass
Description

Apache Shiro before 1.7.1, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

INFO

Published Date :

Feb. 3, 2021, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 5:08 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2020-17523 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 shiro
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Solution
This information is provided by the 3rd party feeds.
  • Upgrade to Apache Shiro 1.7.1 or later.
Public PoC/Exploit Available at Github

CVE-2020-17523 has a 17 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2020-17523.

URL Resource
https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235%40%3Cgitbox.activemq.apache.org%3E
https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd%40%3Cusers.activemq.apache.org%3E
https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235%40%3Cgitbox.activemq.apache.org%3E
https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd%40%3Cusers.activemq.apache.org%3E
https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d%40%3Cdev.shiro.apache.org%3E
https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6%40%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0%40%3Cdev.shiro.apache.org%3E
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-17523 is associated with the following CWEs:

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).

安全项目集合

Updated: 2 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : May 30, 2025, 3:08 a.m. This repo has been linked 40 different CVEs too.

None

Updated: 2 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 26, 2024, 8:31 a.m. This repo has been linked 15 different CVEs too.

None

Python Shell C# Java PHP

Updated: 2 years ago
2 stars 0 fork 0 watcher
Born at : May 3, 2023, 2:08 p.m. This repo has been linked 59 different CVEs too.

List of awesome starred repositories

Python

Updated: 4 days, 5 hours ago
10 stars 1 fork 1 watcher
Born at : May 2, 2023, 7:15 a.m. This repo has been linked 61 different CVEs too.

个人向的工具导航,Ctrl + F

Python

Updated: 6 months, 4 weeks ago
207 stars 33 fork 33 watcher
Born at : Nov. 23, 2022, 9:53 a.m. This repo has been linked 50 different CVEs too.

安全类各家文库大乱斗

HTML CSS JavaScript Go Python Shell C

Updated: 2 weeks ago
1195 stars 286 fork 286 watcher
Born at : Feb. 15, 2022, 3:14 a.m. This repo has been linked 568 different CVEs too.

渗透测试Tips - Version1.3

Updated: 3 months, 2 weeks ago
4 stars 0 fork 0 watcher
Born at : Oct. 15, 2021, 2:14 a.m. This repo has been linked 2 different CVEs too.

None

Updated: 1 month, 1 week ago
85 stars 19 fork 19 watcher
Born at : Oct. 13, 2021, 4:56 a.m. This repo has been linked 175 different CVEs too.

None

Python Shell C# Java PHP

Updated: 1 year, 7 months ago
34 stars 21 fork 21 watcher
Born at : July 26, 2021, 7:16 a.m. This repo has been linked 59 different CVEs too.

Burp-Plugin-study

Java

Updated: 1 year, 7 months ago
16 stars 1 fork 1 watcher
Born at : June 18, 2021, 11:09 a.m. This repo has been linked 5 different CVEs too.

None

Updated: 2 months, 1 week ago
37 stars 4 fork 4 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

分类和整理自己看过的所有文章,方便知识体系的建立和查漏补缺

Updated: 2 months, 3 weeks ago
173 stars 23 fork 23 watcher
Born at : Feb. 10, 2021, 6:15 p.m. This repo has been linked 6 different CVEs too.

shiro-cve-2020-17523 漏洞的两种绕过姿势分析 以及配套的漏洞环境

Java

Updated: 3 months, 2 weeks ago
117 stars 12 fork 12 watcher
Born at : Feb. 3, 2021, 8:14 a.m. This repo has been linked 1 different CVEs too.

Shiro漏洞实例源码

Java HTML CSS

Updated: 9 months ago
26 stars 5 fork 5 watcher
Born at : Jan. 25, 2021, 7:24 a.m. This repo has been linked 8 different CVEs too.

渗透测试,渗透测试小技巧,渗透测试Tips,师傅们跟我一起维护更新吧~

Updated: 1 month, 2 weeks ago
864 stars 139 fork 139 watcher
Born at : Jan. 18, 2021, 8:17 a.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-2020-17523 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-17523 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 https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235%40%3Cgitbox.activemq.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196%40%3Cdev.shiro.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd%40%3Cusers.activemq.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac%40%3Cdev.shiro.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d%40%3Cdev.shiro.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6%40%3Cissues.activemq.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0%40%3Cdev.shiro.apache.org%3E
  • 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/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235%40%3Cgitbox.activemq.apache.org%3E [No types assigned]
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6%40%3Cissues.activemq.apache.org%3E [No types assigned]
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d%40%3Cdev.shiro.apache.org%3E [No types assigned]
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0%40%3Cdev.shiro.apache.org%3E [No types assigned]
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196%40%3Cdev.shiro.apache.org%3E [No types assigned]
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd%40%3Cusers.activemq.apache.org%3E [No types assigned]
    Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac%40%3Cdev.shiro.apache.org%3E [No types assigned]
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235@%3Cgitbox.activemq.apache.org%3E
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6@%3Cissues.activemq.apache.org%3E
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d@%3Cdev.shiro.apache.org%3E
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0@%3Cdev.shiro.apache.org%3E
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196@%3Cdev.shiro.apache.org%3E
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3E
    Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac@%3Cdev.shiro.apache.org%3E
  • Modified Analysis by [email protected]

    Feb. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac@%3Cdev.shiro.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac@%3Cdev.shiro.apache.org%3E Mailing List, Vendor Advisory
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-863 CWE-287
  • CVE Modified by [email protected]

    May. 05, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac@%3Cdev.shiro.apache.org%3E [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 30, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196@%3Cdev.shiro.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196@%3Cdev.shiro.apache.org%3E Mailing List, Vendor Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3E Mailing List, Vendor Advisory
  • CVE Modified by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 25, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196@%3Cdev.shiro.apache.org%3E [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 12, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d@%3Cdev.shiro.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d@%3Cdev.shiro.apache.org%3E Mailing List, Vendor Advisory
    Changed Reference Type https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0@%3Cdev.shiro.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0@%3Cdev.shiro.apache.org%3E Mailing List, Vendor Advisory
  • CVE Modified by [email protected]

    Apr. 07, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0@%3Cdev.shiro.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 31, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d@%3Cdev.shiro.apache.org%3E [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 15, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6@%3Cissues.activemq.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6@%3Cissues.activemq.apache.org%3E Mailing List, Vendor Advisory
  • CVE Modified by [email protected]

    Mar. 01, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6@%3Cissues.activemq.apache.org%3E [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 17, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235@%3Cgitbox.activemq.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235@%3Cgitbox.activemq.apache.org%3E Mailing List, Vendor Advisory
  • CVE Modified by [email protected]

    Feb. 10, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235@%3Cgitbox.activemq.apache.org%3E [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 05, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E Mailing List, Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:* versions up to (excluding) 1.7.1
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.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 9
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

88.77 }} 0.64%

score

0.99460

percentile