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CVE-2013-0335

22
FAUCET Score

CVE-2013-0335 describes a vulnerability in OpenStack Compute (Nova) versions Grizzly, Folsom, and Essex, allowing remote authenticated users to gain unauthorized access to a virtual machine. This medium-severity vulnerability (CVSS 6.0) arises when a VNC token from a deleted VM is reused for a new VM on the same VNC port, leading to potential compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding 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

6.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 87th percentile among its peer group of 1,425 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: NovaFixed in: 12.0.0a0

Vendor Advisories (1)

pipGHSA-qfp8-hfqx-c79chigh

OpenStack Compute Nova Unauthorised access to arbitrary VM using VNC token from deleted VM

May 5, 2022

References

rhn.redhat.com / errata/RHSA-2013-0709.html
bugs.launchpad.net / nova/+bug/1125378
secunia.com / advisories/52337
Vendor Advisory
secunia.com / advisories/52728
Vendor Advisory
review.openstack.org
review.openstack.org
review.openstack.org
openwall.com / lists/oss-security/2013/02/26/7
osvdb.org / 90657
ubuntu.com / usn/USN-1771-1