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CVE-2021-41303

Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass

CRITICAL
9.8
CVSS Score
Published: September 17, 2021 at 08:20 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
2 products affected across 2 vendorsShiroFinancial Services Crime and Compliance Management Studio

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Severity
CRITICAL9.8
Exploit prediction
EPSS 76%

Description

Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Shiro· Apachemaven
95%
v < 1.8.0Apache Shiro ≤ v < 1.8.0
Affected range stops below 1.8.0, so it looks safe — our inference, not a vendor statement
Financial Services Crime and Compliance Management Studio· Oracle
95%
8.0.8.2.08.0.8.3.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/raae98bb934e4bde304465896ea02d9798e257e486d04a42221e2c41b%40%3Cuser.shiro.apache.org%3E
x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.apache.org/thread.html/re470be1ffea44bca28ccb0e67a4cf5d744e2d2b981d00fdbbf5abc13%40%3Cannounce.shiro.apache.org%3E
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220609-0001/
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpujul2022.html

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287NVD-CWE-noinfo

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