openssl: CRL verification vulnerability
Published Sep 22, 2011
5.0
MEDIUMCVSS 2.0
EPSS 4.36%
Description
crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.
Affected products
No data.
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0
- 1.0.0a
- 1.0.0b
- 1.0.0c
- 1.0.0d
No data.
Red Hat Enterprise Linux 6
openssl-0:1.0.0-10.el6_1.5
Fixed · RHSA-2011:1409
Red Hat Enterprise Linux 4
openssl
Not affected
Red Hat Enterprise Linux 4
openssl096b
Not affected
Red Hat Enterprise Linux 5
openssl
Not affected
Red Hat Enterprise Linux 5
openssl097a
Not affected
Red Hat Enterprise Linux 6
openssl098e
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openssl-0:1.0.0-10.el6_1.5 | Fixed | RHSA-2011:1409 |
| Red Hat Enterprise Linux 4 | openssl | Not affected | n/a |
| Red Hat Enterprise Linux 4 | openssl096b | Not affected | n/a |
| Red Hat Enterprise Linux 5 | openssl | Not affected | n/a |
| Red Hat Enterprise Linux 5 | openssl097a | Not affected | n/a |
| Red Hat Enterprise Linux 6 | openssl098e | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 4 and 5, openssl096b as shipped with Red Hat Enterprise Linux 4, openssl097a as shipped with Red Hat Enterprise Linux 5, or openssl098e as shipped with Red Hat Enterprise Linux 6.
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:L/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 | 4.36% (0.04359) | 90.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.01% (0.05012) | 91.11th | v5 (v2026.06.15) |
| Jan 18, 2026 | 1.01% (0.01007) | 76.58th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.31% (0.02310) | 83.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.78% (0.05782) | 83.73th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.31% (0.02310) | 83.63th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.32% (0.01324) | 86.56th | v3 (v2023.03.01) |
| May 5, 2024 | 1.32% (0.01324) | 85.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.32% (0.01324) | 83.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.58% (0.06584) | 91.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.58% (0.06584) | 90.55th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.58% (0.06584) | 78.46th | v2 (v2022.01.01) |
References (19)
- http://cvs.openssl.org/chngview?cn=21349 x_refsource_CONFIRMPatch
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html vendor-advisoryx_refsource_APPLE
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html vendor-advisoryx_refsource_FEDORA
- http://marc.info/?l=bugtraq&m=133226187115472&w=2 vendor-advisoryx_refsource_HP
- http://openssl.org/news/secadv_20110906.txt x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/45956 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/57353 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT5784 x_refsource_CONFIRM
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:137 vendor-advisoryx_refsource_MANDRIVA
- http://www.openssl.org/news/secadv_20110906.txt
- http://www.redhat.com/support/errata/RHSA-2011-1409.html vendor-advisoryx_refsource_REDHAT
- http://www.securitytracker.com/id?1026012 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2011-3207 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=736087 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-3207
- https://www.cve.org/CVERecord?id=CVE-2011-3207
Change history (0)
No recorded changes yet.