LOW
openssl: incorrect error checking during CMS verification
Published Mar 27, 2009
2.6
LOWCVSS 2.0
EPSS 2.73%
Description
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue affected OpenSSL CMS functionality which is not present in the openssl packages as shipped with Red Hat Enterprise Linux 2.1, 3, 4 or 5.
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.
2.6 LOW NVD
AV:N/AC:H/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.73% 0.02735
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.02735
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.73% (0.02735) | 85.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.73% (0.02735) | 84.14th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.80% (0.01797) | 81.15th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.21% (0.04210) | 80.90th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.80% (0.01797) | 81.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.79% (0.00786) | 82.16th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.79% (0.00786) | 80.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.79% (0.00786) | 78.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.56% (0.07559) | 92.87th | v2 (v2022.01.01) |
| Jul 18, 2022 | 7.56% (0.07559) | 92.47th | v2 (v2022.01.01) |
| Jul 17, 2022 | 4.36% (0.04358) | 87.36th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.56% (0.07559) | 92.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.56% (0.07559) | 81.11th | v2 (v2022.01.01) |
Weaknesses (1)
References (32)
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-008.txt.asc vendor-advisoryx_refsource_NETBSD
- http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=124464882609472&w=2 vendor-advisoryx_refsource_HP
- http://marc.info/?l=bugtraq&m=127678688104458&w=2 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/34411 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/34460 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/34666 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35065 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35380 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35729 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/36701 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/42724 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/42733 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1021907 vdb-entryx_refsource_SECTRACK
- http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847 x_refsource_CONFIRM
- http://support.apple.com/kb/HT3865 x_refsource_CONFIRM
- http://voodoo-circle.sourceforge.net/sa/sa-20090326-01.html x_refsource_CONFIRMVendor Advisory
- http://www.openssl.org/news/secadv_20090325.txt x_refsource_CONFIRMVendor Advisory
- http://www.osvdb.org/52865 vdb-entryx_refsource_OSVDB
- http://www.php.net/archive/2009.php#id2009-04-08-1 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/34256 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2009/0850 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2009/1020 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1175 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1548 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2009-0591 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=492623 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49432 vdb-entryx_refsource_XF
- https://kb.bluecoat.com/index?page=content&id=SA50 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2009-0591
- https://www.cve.org/CVERecord?id=CVE-2009-0591
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Mar 27, 2009
Updated Aug 7, 2024
Reserved Feb 13, 2009
Link CVE-2009-0591
CISA Vulnrichment
Updated n/a