CVE-2022-40664 | Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher

Apache Shiro before 1.10.0, Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher.

Published: 2022-10-12 Last update: 2025-05-15 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-40664 is rated Moderate Risk (63/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.54%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-40664

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-12 0.65% 0.54% -0.11%
2 2026-03-25 0.62% 0.65% +0.04%
3 2026-03-21 — 0.62% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-40664

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-40664

GitHub Security Advisory for CVE-2022-40664

GHSA-45x9-q6vj-cqgq · Severity: critical · Ecosystem: maven — Apache Shiro Authentication Bypass vulnerability

OS Trackers for CVE-2022-40664

vendor priority summary link
debian not yet assigned CVE-2022-40664 not yet assigned priority: Debian including 1 source packages (shiro), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): open 4. https://security-tracker.debian.org/tracker/CVE-2022-40664
redhat high — https://access.redhat.com/security/cve/CVE-2022-40664
ubuntu medium CVE-2022-40664 medium priority: Ubuntu including 1 source packages (shiro), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 6, needs-triage 6, released 1. https://ubuntu.com/security/CVE-2022-40664

Affected software / configurations for CVE-2022-40664

Vendor Product Version Raw CPE
apache shiro < 1.10.0 cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:*

References for CVE-2022-40664

URL Tags
http://www.openwall.com/lists/oss-security/2022/10/12/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/10/12/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/10/13/1 Mailing List Third Party Advisory
https://lists.apache.org/thread/loc2ktxng32xpy7lfwxto13k4lvnhjwg Mailing List Release Notes Vendor Advisory
https://security.netapp.com/advisory/ntap-20221118-0005/ Broken Link Third Party Advisory
cvelogic Threat Intelligence