pywbem: TOCTOU vulnerability in certificate validation
Published May 5, 2014
8.7
HIGHCVSS 4.0
EPSS 1.79%
Description
PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which allows man-in-the-middle attackers to spoof a peer via an arbitrary certificate.
Affected products
No data.
- ≤ 0.7
No data.
Red Hat Enterprise Linux 6
pywbem
Will not fix
Red Hat Enterprise Linux 7
pywbem
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | pywbem | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | pywbem | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.79% (0.01787) | 77.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.77% (0.01772) | 75.18th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.15% (0.00153) | 33.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00246) | 65.16th | v3 (v2023.03.01) |
| May 8, 2024 | 0.25% (0.00246) | 64.46th | v3 (v2023.03.01) |
| Dec 16, 2023 | 0.25% (0.00246) | 62.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00242) | 60.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (16)
- http://seclists.org/oss-sec/2013/q4/531 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/58327 third-party-advisoryx_refsource_SECUNIA
- http://sourceforge.net/p/pywbem/code/627 x_refsource_CONFIRMVendor Advisory
- http://sourceforge.net/p/pywbem/mailman/message/31757312 mailing-listx_refsource_MLIST
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/64544 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2013-6418 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1039801 x_refsource_CONFIRMIssue Tracking
- https://github.com/advisories/GHSA-f9q5-46qg-74x4 Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/pywbem/PYSEC-2014-93.yaml
- https://github.com/pywbem/pywbem/commit/f7599379b26a685d772b2620a16316130f46c474
- https://nvd.nist.gov/vuln/detail/CVE-2013-6418
- https://web.archive.org/web/20161110005052/http://secunia.com/advisories/58327
- https://web.archive.org/web/20200228040356/http://www.securityfocus.com/bid/64544
- https://www.cve.org/CVERecord?id=CVE-2013-6418
- https://www.suse.com/support/update/announcement/2014/suse-su-20140580-1.html vendor-advisoryx_refsource_SUSE
Change history (0)
No recorded changes yet.