CVE-2020-8518
Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV data, leading to remote code execution.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 71.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV data, leading to remote code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 71.73% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 10 March 2020
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- horde/groupware · fedoraproject/fedora · debian/debian linux
- Source
- cve@mitre.org
EPSS 71.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/156872/Horde-5.2.22-CSV-Import-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2020/04/msg00008.htmlMailing List, Third Party Advisory
- 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.htmlMailing List, Vendor Advisory
- http://packetstormsecurity.com/files/156872/Horde-5.2.22-CSV-Import-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2020/04/msg00008.htmlMailing List, Third Party Advisory
- 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.htmlMailing List, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.