CVE-2022-0406Network attack vector

Authenticated unauthorized data modification

Published Apr 3, 2022 · Updated Aug 2, 2024

Improper authorization in Calibre-Web before 0.6.16 allows remote authenticated users to make unauthorized application changes. The CNA record and vendor security history do not identify the affected endpoint, data object, or authorization check. Low-privileged network access is required, and the documented consequence is limited to low-integrity modification without data disclosure or service interruption.

CVSS severity4.3
Medium
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Calibre-Web before 0.6.16 allows remote authenticated users to make unauthorized application changes. The CNA record and vendor security history do not identify the affected endpoint, data object, or authorization check. Low-privileged network access is required, and the documented consequence is limited to low-integrity modification without data disclosure or service interruption.

The record

CVE
CVE-2022-0406
Published
Apr 3, 2022
Updated
Aug 2, 2024
Vendor
Calibre-Web
Product
Calibre-Web
Classifications
CWE-863, CWE-285
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

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

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=unspecified <0.6.16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Calibre-Web · Calibre-Webversion=unspecified <0.6.16

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3huntr.devCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0NIST NVDAV:N/AC:L/Au:S/C:N/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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
CWE-285Improper Authorization

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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