noVNC before 0.5 does not set the secure flag for a cookie in an https session, which…
Priority LOW 24CWE-310Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.02168 82nd percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 4 advisories
- RHSA-2015:0884 Released 2015-04-23 · Red Hat rating Moderatenovnc security update
- Red Hat Enterprise Linux OpenStack Platform 4.0 novnc-0.5.1-2.el6ost
- RHSA-2015:0833 Released 2015-04-16 · Red Hat rating Moderatenovnc security update
- Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 novnc-0.5.1-2.el6ost
- RHSA-2015:0834 Released 2015-04-16 · Red Hat rating Moderatenovnc security update
- Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 novnc-0.5.1-2.el7ost
Show 1 more Red Hat advisories
- RHSA-2015:0788 Released 2015-04-07 · Red Hat rating Moderatenovnc security update
- Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 novnc-0.5.1-2.el7ost
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 4.0 | Fixed | RHSA-2015:0884 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | Fixed | RHSA-2015:0833 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | Fixed | RHSA-2015:0834 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | Fixed | RHSA-2015:0788 |
Not affected: 1 product
- Red Hat Enterprise Virtualization 3
Timeline
- 2026-10-02 Threatist record created from CVE-2013-7436
- 2026-10-03 Alias added: GHSA-85jr-wq3p-ggcq
References
Other 4
- [oss-security] 20150217 CVE request: novnc: session hijack through insecurely set session token cookies
- https://bugzilla.redhat.com/show_bug.cgi?id=1193451
- https://github.com/kanaka/noVNC/commit/ad941faddead705cd611921730054767a0b32dcd
- [oss-security] 20150312 CVE request: novnc: session hijack through insecurely set session token cookies
Sources
- CVE-2013-7436 · CVE Program
- CVE-2013-7436 · NVD
- FIRST EPSS
- GHSA-85jr-wq3p-ggcq · GitHub Advisory Database · CC BY 4.0
- CVE-2013-7436 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences