CVE-2020-8866
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.3epss 9.6%
from disclosure to weapon0 days
Published on NVDMar 23
1st PoCMar 11
exploitation probability
9.6%top 5% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
This vulnerability allows remote attackers to create arbitrary files on affected installations of Horde Groupware Webmail Edition 5.2.22. Authentication is required to exploit this vulnerability. The specific flaw exists within add.php. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the www-data user. Was ZDI-CAN-10125.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected products
Horde · Groupware Webmail Editionpublic PoCs found — 2
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