How severe is CVE-2016-1291?

CVE-2016-1291 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-2016-1291 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1291?

CVE-2016-1291 primarily affects Cisco Evolved Programmable Network Manager. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1291?

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-2016-1291 published?

CVE-2016-1291 was published on 2016-04-06 and last updated on 2026-06-17.

CVE-2016-1291

CVE-2016-1291 is a critical-severity vulnerability in Cisco Evolved Programmable Network Manager 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.3
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Evolved Programmable Network Manager
Published: 2016-04-06
Last modified: 2026-06-17

Description

Cisco Prime Infrastructure 1.2.0 through 2.2(2) and Cisco Evolved Programmable Network Manager (EPNM) 1.2 allow remote attackers to execute arbitrary code via crafted deserialized data in an HTTP POST request, aka Bug ID CSCuw03192.

Frequently asked questions

What is CVE-2016-1291?: Cisco Prime Infrastructure 1.2.0 through 2.2(2) and Cisco Evolved Programmable Network Manager (EPNM) 1.2 allow remote attackers to execute arbitrary code via crafted deserialized data in an HTTP POST request, aka Bug ID CSCuw03192.
How severe is CVE-2016-1291?: CVE-2016-1291 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-2016-1291 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1291?: CVE-2016-1291 primarily affects Cisco Evolved Programmable Network Manager. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1291?: 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-2016-1291 published?: CVE-2016-1291 was published on 2016-04-06 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:cisco:evolved_programmable_network_manager:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.2.0.103:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.3.0.20:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.4.0.45:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_infrastructure:2.2:*:*:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_124:*:sparc:*:*:*:*:*

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