novnc: session hijack through insecurely set session token cookies
Published Apr 10, 2015
4.3
MEDIUMCVSS 2.0
EPSS 2.17%
Description
noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.
Affected products
No data.
No data.
OpenStack 4 for RHEL 6
novnc-0:0.5.1-2.el6ost
Fixed · RHSA-2015:0884
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6
novnc-0:0.5.1-2.el6ost
Fixed · RHSA-2015:0833
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7
novnc-0:0.5.1-2.el7ost
Fixed · RHSA-2015:0834
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
novnc-0:0.5.1-2.el7ost
Fixed · RHSA-2015:0788
Red Hat Enterprise Virtualization 3
novnc
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack 4 for RHEL 6 | novnc-0:0.5.1-2.el6ost | Fixed | RHSA-2015:0884 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | novnc-0:0.5.1-2.el6ost | Fixed | RHSA-2015:0833 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | novnc-0:0.5.1-2.el7ost | Fixed | RHSA-2015:0834 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | novnc-0:0.5.1-2.el7ost | Fixed | RHSA-2015:0788 |
| Red Hat Enterprise Virtualization 3 | novnc | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.17% (0.02168) | 81.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.18% (0.02183) | 79.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.66% (0.00664) | 69.48th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.44% (0.00441) | 75.70th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00434) | 73.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00434) | 70.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (11)
- http://rhn.redhat.com/errata/RHSA-2015-0788.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0833.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0834.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0884.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2015/02/17/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/03/12/13 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2013-7436 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1193451 x_refsource_CONFIRMIssue Tracking
- https://github.com/kanaka/noVNC/commit/ad941faddead705cd611921730054767a0b32dcd x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2013-7436
- https://www.cve.org/CVERecord?id=CVE-2013-7436
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2015-0788.html | vendor-advisoryx_refsource_REDHAT | |
| http://rhn.redhat.com/errata/RHSA-2015-0833.html | vendor-advisoryx_refsource_REDHAT | |
| http://rhn.redhat.com/errata/RHSA-2015-0834.html | vendor-advisoryx_refsource_REDHAT | |
| http://rhn.redhat.com/errata/RHSA-2015-0884.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.openwall.com/lists/oss-security/2015/02/17/1 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2015/03/12/13 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2013-7436 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1193451 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/kanaka/noVNC/commit/ad941faddead705cd611921730054767a0b32dcd | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-7436 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-7436 |
Change history (0)
No recorded changes yet.