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CVE-2013-1838

18
FAUCET Score

CVE-2013-1838 is a denial-of-service vulnerability in OpenStack Compute (Nova) versions Grizzly, Folsom (2012.2), and Essex (2012.1), including Canonical distributions. It allows authenticated users to exhaust fixed IP resources and prevent new instance creation by repeatedly calling the addFixedIp function. The vulnerability has a CVSS score of 4.0 (medium severity), indicating a network-based attack with low complexity requiring authentication, leading to partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2012.1CPE matchmatch criteria
cpe:2.3:a:openstack:essex:2012.1:*:*:*:*:*:*:*
2012.2CPE matchmatch criteria
cpe:2.3:a:openstack:folsom:2012.2:*:*:*:*:*:*:*
2012.2CPE matchmatch criteria
cpe:2.3:a:openstack:grizzly:2012.2:*:*:*:*:*:*:*
11.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.74%
Probability of exploitation in next 30 days
EPSS Percentile
84.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0274 is in the 95th percentile among its peer group of 21,957 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: novaFixed in: 12.0.0a0
redhatpatch availablevia redhat_api
Product: OpenStack Folsom for RHEL 6Fixed in: openstack-nova-0:2012.2.3-7.el6ost
View patch

Vendor Advisories (2)

pipGHSA-63fq-8fp9-vhwqhigh

OpenStack Compute (Nova) Denial of service via a large number of calls to the addFixedIp function

May 17, 2022
redhatCVE-2013-1838Low

Nova: DoS by allocating all Fixed IPs

Mar 14, 2013

References

osvdb.org / 91303
rhn.redhat.com / errata/RHSA-2013-0709.html
bugs.launchpad.net / nova/+bug/1125468
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/52580
Vendor Advisory
secunia.com / advisories/52728
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/82877
lists.launchpad.net / openstack/msg21892.html
review.openstack.org
review.openstack.org
review.openstack.org
ubuntu.com / usn/usn-1771-1
openwall.com / lists/oss-security/2013/03/14/18
securityfocus.com / bid/58492