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CVE-2016-1391

29
FAUCET Score

CVE-2016-1391 is a critical vulnerability affecting Cisco Prime Network Analysis Module (NAM) and Prime Virtual Network Analysis Module (vNAM) versions prior to 6.1(1) patch.6.1-2-final and 6.2(2). This flaw allows remote authenticated attackers to execute arbitrary operating system commands through specially crafted HTTP requests. With a CVSS score of 8.8 (High), the vulnerability presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:prime_network_analysis_module_software:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:cisco:prime_network_analysis_module_software:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:cisco:prime_network_analysis_module_software:5.0.2:*:*:*:*:*:*:*
5.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:prime_network_analysis_module_software:5.1.0:*:*:*:*:*:*:*
5.1.2CPE matchmatch criteria
cpe:2.3:a:cisco:prime_network_analysis_module_software:5.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 71st percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20160601-prime2
Vendor Advisory
securitytracker.com / id/1036014
Third Party AdvisoryVDB Entry