How severe is CVE-2016-1427?

CVE-2016-1427 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-1427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1427?

CVE-2016-1427 primarily affects Cisco Prime Network Registrar. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1427?

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

When was CVE-2016-1427 published?

CVE-2016-1427 was published on 2016-06-18 and last updated on 2026-06-17.

CVE-2016-1427

CVE-2016-1427 is a high-severity vulnerability in Cisco Prime Network Registrar with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Prime Network Registrar
Published: 2016-06-18
Last modified: 2026-06-17

Description

The System Configuration Protocol (SCP) core messaging interface in Cisco Prime Network Registrar 8.2 before 8.2.3.1 and 8.3 before 8.3.2 allows remote attackers to obtain sensitive information via crafted SCP messages, aka Bug ID CSCuv35694.

Frequently asked questions

What is CVE-2016-1427?: The System Configuration Protocol (SCP) core messaging interface in Cisco Prime Network Registrar 8.2 before 8.2.3.1 and 8.3 before 8.3.2 allows remote attackers to obtain sensitive information via crafted SCP messages, aka Bug ID CSCuv35694.
How severe is CVE-2016-1427?: CVE-2016-1427 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-1427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1427?: CVE-2016-1427 primarily affects Cisco Prime Network Registrar. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1427 published?: CVE-2016-1427 was published on 2016-06-18 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:cisco:prime_network_registrar:8.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.2.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_network_registrar:8.3.1:*:*:*:*:*:*:*

More vulnerabilities in Cisco Prime Network Registrar

CVE-2019-1840 — High (CVSS 8.6): A vulnerability in the DHCPv6 input packet processor of Cisco Prime Network Registrar could allow an unauthenticated,…
CVE-2023-44487 — High (CVSS 7.5): The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset…
CVE-2020-3272 — High (CVSS 7.5): A vulnerability in the DHCP server of Cisco Prime Network Registrar could allow an unauthenticated, remote attacker to…
CVE-2015-6296 — High (CVSS 7.2): Cisco Prime Network Registrar (CPNR) 8.1(3.3), 8.2(3), and 8.3(2) has a default account, which allows local users to…
CVE-2020-3148 — High (CVSS 7.1): A vulnerability in the web-based interface of Cisco Prime Network Registrar (CPNR) could allow an unauthenticated,…
CVE-2017-6613 — Medium (CVSS 5.8): A vulnerability in the DNS input packet processor for Cisco Prime Network Registrar could allow an unauthenticated,…

All CVEs affecting Cisco Prime Network Registrar →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →