CVE-2022-46305

Unauthenticated arbitrary system file access

Published Jan 3, 2023 · Updated Apr 10, 2025

Path traversal in ChangingTec ServiSign allows remote attackers on the local network to bypass authentication and read arbitrary system files. TWCERT/CC and ChangingTec have not published the affected function, path parameter, or validation error that permits traversal. Exploitation requires local-network reachability, needs no credentials or user interaction, and is limited in the published record to file disclosure.

CVSS severity6.5
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in ChangingTec ServiSign allows remote attackers on the local network to bypass authentication and read arbitrary system files. TWCERT/CC and ChangingTec have not published the affected function, path parameter, or validation error that permits traversal. Exploitation requires local-network reachability, needs no credentials or user interaction, and is limited in the published record to file disclosure.

The record

CVE
CVE-2022-46305
Published
Jan 3, 2023
Updated
Apr 10, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-22, T1005
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 10, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5TWCERT/CCCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System

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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