Critical severity · published Jun 3, 2019
CVE-2019-11356
The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an…
9.8
CVSS
7.6%
EPSS
No
On KEV
Description
The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
8.1; 8.2; 8.4 · source: NVD
EL
EL
FE
Fedora · Fedoraproject
29; 30 · source: NVD
IM
Imap · Cyrus
2.5.0 through 2.5.12; 3.0.0 through 3.0.9 · source: NVD
UL
Ubuntu Linux · Canonical
18.04 · source: NVD