How severe is CVE-2016-4983?

CVE-2016-4983 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2016-4983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4983?

CVE-2016-4983 primarily affects Redhat Enterprise Linux. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4983?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-4983 published?

CVE-2016-4983 was published on 2019-11-05 and last updated on 2026-06-17.

CVE-2016-4983

CVE-2016-4983 is a low-severity vulnerability in Redhat Enterprise Linux with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Redhat Enterprise Linux
Published: 2019-11-05
Last modified: 2026-06-17

Description

A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.

Frequently asked questions

What is CVE-2016-4983?: A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.
How severe is CVE-2016-4983?: CVE-2016-4983 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2016-4983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4983?: CVE-2016-4983 primarily affects Redhat Enterprise Linux. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4983 published?: CVE-2016-4983 was published on 2019-11-05 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:dovecot:dovecot:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

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