CVE-2020-10806
No known exploitation. EPSS puts it in the 83rd percentile. Fixed in 5.4.14.1.
What to do
Find your product and version, then upgrade to the build on the right.
- Packagist ezsystems/ezpublish-kernelAffected: < 5.4.14.1Upgrade to: 5.4.14.1Stated by: GitHub advisory
- Packagist ezsystems/ezpublish-legacyAffected: < 5.4.14.1Upgrade to: 5.4.14.1Stated by: GitHub advisory
- Ez Publish-kernelAffected: < 5.4.14.1Upgrade to: 5.4.14.1Stated by: NVD
- Ez Publish-legacyAffected: < 5.4.14.1Upgrade to: 5.4.14.1Stated by: NVD
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
eZ Publish Kernel before 5.4.14.1, 6.x before 6.13.6.2, and 7.x before 7.5.6.2 and eZ Publish Legacy before 5.4.14.1, 2017 before 2017.12.7.2, and 2019 before 2019.03.4.2 allow remote attackers to execute arbitrary code by uploading PHP code, unless the vhost configuration permits only app.php execution.
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
2.3% chance of exploitation activity in the next 30 days, which ranks it in the 83rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1705 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Scored 9.8 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 NoneNo authentication required — anyone can exploit this
- 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
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Command and ControlT1105Ingress Tool Transferhigh confidence
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- PersistenceT1505Server Software Componenthigh confidence
Sources
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for Ez Publish-kernel, not every advisory.
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