CVE-2018-25046Network attack vector

Arbitrary file write via archive path traversal

Published Dec 27, 2022 · Updated Apr 11, 2025

Path traversal in Cloud Foundry Archiver before 0.0.0-20180523222229-09b5706aa936 allows remote attackers to write or overwrite files outside an extraction directory via crafted archives. extractTarArchiveFile and extractZipArchiveFile concatenate archive entry names with the destination using filepath.Join without containment checks, so ../ paths escape the target. Exploitation requires an application to process an attacker-supplied archive; integrity and availability can be affected, while confidentiality impact is not reported.

CVSS severity9.1
Critical
EPSS probability1.19%
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 Cloud Foundry Archiver before 0.0.0-20180523222229-09b5706aa936 allows remote attackers to write or overwrite files outside an extraction directory via crafted archives. extractTarArchiveFile and extractZipArchiveFile concatenate archive entry names with the destination using filepath.Join without containment checks, so ../ paths escape the target. Exploitation requires an application to process an attacker-supplied archive; integrity and availability can be affected, while confidentiality impact is not reported.

The record

CVE
CVE-2018-25046
Published
Dec 27, 2022
Updated
Apr 11, 2025
Vendor
Cloud Foundry Foundation
Product
Cloud Foundry Archiver
Classifications
CWE-22
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 27, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 11, 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=0 <0.0.0-20180523222229-09b5706aa936

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Cloud Foundry Foundation · Cloud Foundry Archiverversion=0 <0.0.0-20180523222229-09b5706aa936

Published CVSS scores

9.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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