CVE-2021-22112
No known exploitation. EPSS puts it in the 88th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Spring Security 5.4.x prior to 5.4.4, 5.3.x prior to 5.3.8.RELEASE, 5.2.x prior to 5.2.9.RELEASE, and older unsupported versions can fail to save the SecurityContext if it is changed more than once in a single request.A malicious user cannot cause the bug to happen (it must be programmed in). However, if the application's intent is to only allow the user to run with elevated privileges in a small portion of the application, the bug can be leveraged to extend those privileges to the rest of the application.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
3.2% chance of exploitation activity in the next 30 days, which ranks it in the 88th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 1367 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- communications element managerCommunications
- communications interactive session recorderDatabases
- communications unified inventory managementEnterprise Software / itsm-monitoring
- hospitality cruise shipboard property management systemEnterprise Software / itsm-monitoring
- insurance policy administrationEnterprise Software / itsm-monitoring
- mysql enterprise monitorDatabases / relational
And 1 more affected product. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 8.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
- openwall.com/lists/oss-security/2021/02/19/7
- lists.apache.org/thread.html/r163b3e4e39803882f5be05ee8606b2b9812920e196daa2a82997ce14%40%3Cpluto-dev.portals.apache.org%3E
- lists.apache.org/thread.html/r2cb05e499807900ba23e539643eead9c5f0652fd271f223f89da1804%40%3Cpluto-scm.portals.apache.org%3E
And 26 more references. See all after sign-in
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