CVE-2023-0671Public exploitNetwork attack vector

Customer-to-root escalation via error-document directive injection

Published Feb 4, 2023 · Updated Mar 25, 2025

Code injection in Froxlor before 2.0.10 allows remote authenticated users to escalate from a hosting customer account to root. The DirOptions error-document validator accepts line breaks and embedded Apache directives, allowing customer input to enter generated web-server configuration. A low-privileged customer can inject an IncludeOptional directive and cause root-context configuration processing with full host impact.

CVSS severity9.9
Critical
EPSS probability1.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Froxlor before 2.0.10 allows remote authenticated users to escalate from a hosting customer account to root. The DirOptions error-document validator accepts line breaks and embedded Apache directives, allowing customer input to enter generated web-server configuration. A low-privileged customer can inject an IncludeOptional directive and cause root-context configuration processing with full host impact.

The record

CVE
CVE-2023-0671
Published
Feb 4, 2023
Updated
Mar 25, 2025
Vendor
Froxlor
Product
Froxlor
Classifications
CWE-94, T1068
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 2025Record 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=unspecified <2.0.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Froxlor · Froxlorversion=unspecified <2.0.10

Published CVSS scores

8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.9huntr.devCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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.

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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 exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1068Exploitation for Privilege Escalation

Public exploit references

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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