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CVE-2022-40664

31
FAUCET Score

CVE-2022-40664 is a critical authentication bypass vulnerability affecting Apache Shiro versions prior to 1.10.0, specifically when handling requests forwarded or included via RequestDispatcher. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability over the network with low attack complexity. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.0CPE matchmatch criteria
cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 72nd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.shiro:shiro-coreFixed in: 1.10.0

Vendor Advisories (2)

mavenGHSA-45x9-q6vj-cqgqcritical

Apache Shiro Authentication Bypass vulnerability

Oct 12, 2022
redhatCVE-2022-40664Important

shiro: Authentication Bypass Vulnerability

Oct 12, 2022

References

lists.apache.org / thread/loc2ktxng32xpy7lfwxto13k4lvnhjwg
Mailing ListRelease NotesVendor Advisory
security.netapp.com / advisory/ntap-20221118-0005
Broken LinkThird Party Advisory
openwall.com / lists/oss-security/2022/10/12/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2022/10/12/2
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2022/10/13/1
Mailing ListThird Party Advisory