CVE-2013-0270

Keystone vulnerability

CVSS

6.5

EPSS

3.1%

EPSS pct

86th

Exploited

No known

A flaw was found in OpenStack Keystone. A remote attacker could exploit this vulnerability by sending a large HTTP request, specifically by providing a long tenant name when requesting a token. This could lead to a denial of service, consuming excessive CPU and memory resources on the affected system.

Affected vendor

Openstack

Affected product

Keystone

CVSS vector

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

Weakness type (CWE)

CWE-1284
CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2013-04-12

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 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2013-0270

Confirm whether Openstack Keystone is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-0270.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-0270

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-0270 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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