CVE-2016-9579

Ceph Storage vulnerability

CVSS

6.5

EPSS

4.4%

EPSS pct

90th

Exploited

No known

A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially-crafted cross-origin HTTP request. Ceph branches 1.3.x and 2.x are affected.

Affected vendor

Redhat

Affected product

Ceph Storage

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2018-08-01

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 4.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2016-9579

Confirm whether Redhat Ceph Storage is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-9579.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9579

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9579 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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