CVE-2021-22060Network attack vector

Authenticated insertion of forged log entries

Published Jan 7, 2022 · Updated Aug 3, 2024

Log injection in Spring Framework 5.3.0 through 5.3.13 and 5.2.18 and earlier allows remote authenticated users to add forged log entries. Spring has not disclosed the affected methods or logging sites, the accepted input forms, or the exact neutralization failure. Low-privileged network access is required, and the reported consequence is limited to log integrity with no confidentiality or availability impact.

CVSS severity4.3
Medium
EPSS probability0.85%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Log injection in Spring Framework 5.3.0 through 5.3.13 and 5.2.18 and earlier allows remote authenticated users to add forged log entries. Spring has not disclosed the affected methods or logging sites, the accepted input forms, or the exact neutralization failure. Low-privileged network access is required, and the reported consequence is limited to log integrity with no confidentiality or availability impact.

The record

CVE
CVE-2021-22060
Published
Jan 7, 2022
Updated
Aug 3, 2024
Vendor
Spring
Product
Spring Framework
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 7, 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=Spring Framework 5.3.0 - 5.3.13, 5.2.0 - 5.2.18, and older unsupported versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Spring · Spring Frameworkversion=Spring Framework 5.3.0 - 5.3.13, 5.2.0 - 5.2.18, and older unsupported versions

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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

No sourced classifications are available.

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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