TI-2018-14701 Aliases CVE-2018-20718 GHSA-qhmw-m62m-p9xh

In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is…

MEDIUM 48CWE-502Published 2019-01-15 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a "public link" of a file, or access to any unprivileged user account for creation of such a link.

Why it matters now

EPSS 0.03726 89th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:pydio:pydio::::::::	before 8.2.2	Vulnerable	pydio

cpe:2.3:a:pydio:pydio:*:*:*:*:*:*:*:* Versions before 8.2.2 Vulnerable ·pydio

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-20718
2026-10-03 Alias added: GHSA-qhmw-m62m-p9xh

References

Exploit 1

https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/

TI-2024-26880 Pydio Core <= 8.2.5 is vulnerable to Cross Site Scripting (XSS) via the New URL Bookmark feature. CVSS 3.1MEDIUM 5.4
TI-2015-03029 Pydio (formerly AjaXplorer) before 6.0.7 allows remote attackers to execute arbitrary… CVSS 3.0CRITICAL 9.8
TI-2013-03735 OS command injection in Ajaxeplorer CVSS 3.1CRITICAL 9.8
TI-2019-07057 An issue was discovered in proxy.php in pydio-core in Pydio through 8.2.2. CVSS 3.0CRITICAL 9.8
TI-2013-05239 Unrestricted file upload vulnerability in plugins/editor.zoho/agent/save_zoho.php in the… CVSS 2.0HIGH 7.5
TI-2019-14682 A problem was found in Pydio Core before 8.2.4 and Pydio Enterprise before 8.2.4. CVSS 3.1HIGH 8.8

See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences