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CVE-2016-9880

30
FAUCET Score

CVE-2016-9880 describes a critical authentication bypass vulnerability affecting GemFire broker for Cloud Foundry versions 1.6.x before 1.6.5 and 1.7.x before 1.7.1. This flaw allows unauthenticated access to multiple API endpoints, potentially leading to full control over the managed cluster. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security professionals.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.6.0, < 1.6.5CPE matchmatch criteria
cpe:2.3:a:pivotal_software:gemfire_for_pivotal_cloud_foundry:*:*:*:*:*:*:*:*
1.7.0CPE matchmatch criteria
cpe:2.3:a:pivotal_software:gemfire_for_pivotal_cloud_foundry:1.7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.09%
Probability of exploitation in next 30 days
EPSS Percentile
79.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0209 is in the 69th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

pivotal.io / security/cve-2016-9880
Vendor Advisory
securityfocus.com / bid/96146
Third Party AdvisoryVDB Entry