Low severity · published Nov 5, 2019
CVE-2016-4983
A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files
3.3
CVSS
0.4%
EPSS
No
On KEV
Description
A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
Dovecot · Dovecot
All versions, or not specified · source: NVD
EL
Enterprise Linux · Redhat
4.0; 5.0; 6.0; 7.0 · source: NVD
LE
Leap · Opensuse
42.1; 42.2 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4983
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-11/msg00096.html
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1346055
Exploit
https://bugzilla.suse.com/show_bug.cgi?id=984639
More from Dovecot
9.8
CVE-2019-11500
In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings
9.1
CVE-2026-27851
When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped
8.8
CVE-2022-30550
An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20
8.2
CVE-2026-24031
Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin
7.8
CVE-2019-7524
In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root