THREATPORT/VULNERABILITY/CVE-2023-47130
HIGH SEVERITY

CVE-2023-47130

Yii vulnerability

CVSS
8.1
EPSS
3.1%
EPSS pct
87th
Exploited
No known
Yii is an open source PHP web framework. yiisoft/yii before version 1.1.29 are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. An attacker may leverage this vulnerability to compromise the host system. A fix has been developed for the 1.1.29 release. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected vendor
Yiiframework
Affected product
Yii
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2023-11-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2023-47130

  • Confirm whether Yiiframework Yii is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-47130.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-47130

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-47130 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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