How severe is CVE-2016-20014?

CVE-2016-20014 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-20014 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-20014?

CVE-2016-20014 affects Pam Tacplus Project Pam Tacplus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-20014?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-20014 published?

CVE-2016-20014 was published on 2022-04-21 and last updated on 2026-06-17.

CVE-2016-20014

CVE-2016-20014 is a critical-severity vulnerability in Pam Tacplus Project Pam Tacplus with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Pam Tacplus Project Pam Tacplus
Published: 2022-04-21
Last modified: 2026-06-17

Description

In pam_tacplus.c in pam_tacplus before 1.4.1, pam_sm_acct_mgmt does not zero out the arep data structure.

Frequently asked questions

What is CVE-2016-20014?: In pam_tacplus.c in pam_tacplus before 1.4.1, pam_sm_acct_mgmt does not zero out the arep data structure.
How severe is CVE-2016-20014?: CVE-2016-20014 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-20014 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-20014?: CVE-2016-20014 affects Pam Tacplus Project Pam Tacplus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-20014?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-20014 published?: CVE-2016-20014 was published on 2022-04-21 and last updated on 2026-06-17.

References

https://github.com/kravietz/pam_tacplus/commit/e4c00eba70a0f72c4de77b5f072c69708ec2beab

Affected products (1)

cpe:2.3:a:pam_tacplus_project:pam_tacplus:*:*:*:*:*:*:*:*

More vulnerabilities in Pam Tacplus Project Pam Tacplus

CVE-2020-27743 — Critical (CVSS 9.8): libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes(). This could lead to…
CVE-2020-13881 — High (CVSS 7.5): In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel…

All CVEs affecting Pam Tacplus Project Pam Tacplus →