CVE-2014-7851

oVirt 3.2.2 through 3.5.0 does not invalidate the restapi session after logout from the webadmin,...

7.5 HighFix available

oVirt 3.2.2 through 3.5.0 does not invalidate the restapi session after logout from the webadmin, which allows remote authenticated users with knowledge of another user's session data to gain that user's privileges by replacing their session token with that of another user.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.00%Down 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2014-7851
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.0 MediumAV:N/AC:M/Au:S/C:P/I:P/A:P
Weakness: CWE-264
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-7851
Updated: 2026-11-02

EUVDEUVD-2014-7701 No score

Record: EUVD-2014-7701
Updated: 2026-11-03

GitHub AdvisoriesGHSA-353g-73mj-6wf9 7.5

oVirt 3.2.2 through 3.5.0 does not invalidate the restapi session after logout from the webadmin,...

Record: GHSA-353g-73mj-6wf9
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`rhevm` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-backend` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-dbscripts` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-extensions-api-impl` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-extensions-api-impl-javadoc` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-lib` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-restapi` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-setup` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-setup-base` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-setup-plugin-allinone` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev

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Affected packages
Package	Affected	Fixed
`rhevm-setup-plugin-ovirt-engine` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-setup-plugin-ovirt-engine-common` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-setup-plugin-websocket-proxy` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-tools` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-userportal` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-webadmin-portal` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev
`rhevm-websocket-proxy` Red Hat:rhev_manager:3	before 0:3.5.0-0.32.el6ev	0:3.5.0-0.32.el6ev

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-7851 is a high vulnerability (CVSS 7.5) in Ovirt, published October 16, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. Fixed in rhevm 0:3.5.0-0.32.el6ev.

References

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