gnutls: gnutls does not perform date/time checks on CA certificates
Published Aug 14, 2015
4.3
MEDIUMCVSS 2.0
EPSS 1.05%
Description
GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
gnutls-0:2.8.5-18.el6
Fixed · RHSA-2015:1457
Red Hat Enterprise Linux 5
gnutls
Will not fix
Red Hat Enterprise Linux 7
gnutls
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | gnutls-0:2.8.5-18.el6 | Fixed | RHSA-2015:1457 |
| Red Hat Enterprise Linux 5 | gnutls | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | gnutls | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the version of gnutls package as shipped with Red Hat Enterprise Linux 7. This issue affects the version of gnutls as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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:N/I:P/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.05% (0.01046) | 62.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.05% (0.01046) | 59.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.19% (0.00190) | 38.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00121) | 48.07th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.12% (0.00121) | 46.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00121) | 44.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.02% (0.01018) | 40.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.11% (0.01108) | 54.42th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- http://rhn.redhat.com/errata/RHSA-2015-1457.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/73317 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2014-8155 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1197995 Issue Tracking
- https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2014-8155
- https://support.f5.com/csp/article/K53330207 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2014-8155
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2015-1457.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.securityfocus.com/bid/73317 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2014-8155 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1197995 | Issue Tracking | |
| https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-8155 | ||
| https://support.f5.com/csp/article/K53330207 | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2014-8155 |
Change history (0)
No recorded changes yet.