Vulnerability Report

CVE-2020-8518

RCE

Title: Horde Groupware Webmail Edition PHP Code Injection

RCE

Proof Of Concept

PoC Available for CVE-2020-8518

CWE Category CWE-94
Published Date Feb 17, 2020
Modified Date Jun 17, 2026
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
71.73%

Vulnerability Summary

CVE-2020-8518: Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV data, leading to remote code execution.

Impacted Vendors

H
horde 1
N
nulllogic 1
H
handysoft 1

Reference Links

http://packetstormsecurity.com/files/156872/Horde-5.2.22-CSV-Import-Code-Execution.html https://lists.debian.org/debian-lts-announce/2020/04/msg00008.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PRPIFQDGYPQ3F2TF2ETPIL7IYNSVVZQ/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKTNYDBDVJNMVC7QPXQI7CMPLX3USZ2T/ https://lists.horde.org/archives/announce/2020/001285.html http://packetstormsecurity.com/files/156872/Horde-5.2.22-CSV-Import-Code-Execution.html https://lists.debian.org/debian-lts-announce/2020/04/msg00008.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PRPIFQDGYPQ3F2TF2ETPIL7IYNSVVZQ/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKTNYDBDVJNMVC7QPXQI7CMPLX3USZ2T/ https://lists.horde.org/archives/announce/2020/001285.html
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-8518 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/48215
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.