CVE-2022-29818

Unauthorized internal web requests via flawed origin validation

Published Apr 28, 2022 · Updated Aug 3, 2024

Origin validation error in JetBrains IntelliJ IDEA before 2022.1 allows local users to bypass trust boundaries for internal web requests. The public JetBrains advisory identifies the internal web server but does not disclose the affected handler, origin-comparison error, or accepted requests. Exploitation requires low-privileged local access and user interaction; the precise data exposed or changed remains undisclosed.

CVSS severity3.9
Low
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Origin validation error in JetBrains IntelliJ IDEA before 2022.1 allows local users to bypass trust boundaries for internal web requests. The public JetBrains advisory identifies the internal web server but does not disclose the affected handler, origin-comparison error, or accepted requests. Exploitation requires low-privileged local access and user interaction; the precise data exposed or changed remains undisclosed.

The record

CVE
CVE-2022-29818
Published
Apr 28, 2022
Updated
Aug 3, 2024
Vendor
JetBrains
Product
IntelliJ IDEA
Classifications
CWE-346
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2022.1 <2022.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

JetBrains · IntelliJ IDEAversion=2022.1 <2022.1

Published CVSS scores

3.9JetBrains s.r.o.CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
3.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-346Origin Validation Error

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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