tomcat-native: Mishandled OCSP responses can allow clients to authenticate with revoked certificates
Published Jul 31, 2018
7.4
HIGHCVSS 3.0
EPSS 4.20%
Description
Apache Tomcat Native 1.2.0 to 1.2.16 and 1.1.23 to 1.1.34 has a flaw that does not properly check OCSP pre-produced responses, which are lists (multiple entries) of certificate statuses. Subsequently, revoked client certificates may not be properly identified, allowing for users to authenticate with revoked certificates to connections that require mutual TLS. Users not using OCSP checks are not affected by this vulnerability.
Affected products
-
- Version 1.1.23 to 1.1.34StatusaffectedConstraints-
- Version 1.2.0 to 1.2.16StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat Native | n/a |
|
Configuration 1
- 8.0
Configuration 2
- ≥ 1.1.23 · ≤ 1.1.34
- ≥ 1.2.0 · ≤ 1.2.16
No data.
Red Hat JBoss Web Server 3 for RHEL 6
tomcat-native-0:1.2.17-17.redhat_17.ep7.el6
Fixed · RHSA-2018:2469
Red Hat JBoss Web Server 3 for RHEL 6
tomcat7-0:7.0.70-27.ep7.el6
Fixed · RHSA-2018:2469
Red Hat JBoss Web Server 3 for RHEL 6
tomcat8-0:8.0.36-31.ep7.el6
Fixed · RHSA-2018:2469
Red Hat JBoss Web Server 3 for RHEL 7
tomcat-native-0:1.2.17-17.redhat_17.ep7.el7
Fixed · RHSA-2018:2469
Red Hat JBoss Web Server 3 for RHEL 7
tomcat7-0:7.0.70-27.ep7.el7
Fixed · RHSA-2018:2469
Red Hat JBoss Web Server 3 for RHEL 7
tomcat8-0:8.0.36-31.ep7.el7
Fixed · RHSA-2018:2469
Red Hat JBoss Web Server 3.1
tomcat-native
Fixed · RHSA-2018:2470
Red Hat JBoss Enterprise Application Platform 5
tomcat-native
Not affected
Red Hat JBoss Enterprise Application Platform 6
tomcat-native
Not affected
Red Hat JBoss Enterprise Web Server 2
tomcat-native
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat JBoss Web Server 3 for RHEL 6 | tomcat-native-0:1.2.17-17.redhat_17.ep7.el6 | Fixed | RHSA-2018:2469 |
| Red Hat JBoss Web Server 3 for RHEL 6 | tomcat7-0:7.0.70-27.ep7.el6 | Fixed | RHSA-2018:2469 |
| Red Hat JBoss Web Server 3 for RHEL 6 | tomcat8-0:8.0.36-31.ep7.el6 | Fixed | RHSA-2018:2469 |
| Red Hat JBoss Web Server 3 for RHEL 7 | tomcat-native-0:1.2.17-17.redhat_17.ep7.el7 | Fixed | RHSA-2018:2469 |
| Red Hat JBoss Web Server 3 for RHEL 7 | tomcat7-0:7.0.70-27.ep7.el7 | Fixed | RHSA-2018:2469 |
| Red Hat JBoss Web Server 3 for RHEL 7 | tomcat8-0:8.0.36-31.ep7.el7 | Fixed | RHSA-2018:2469 |
| Red Hat JBoss Web Server 3.1 | tomcat-native | Fixed | RHSA-2018:2470 |
| Red Hat JBoss Enterprise Application Platform 5 | tomcat-native | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | tomcat-native | Not affected | n/a |
| Red Hat JBoss Enterprise Web Server 2 | tomcat-native | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.20% (0.04199) | 90.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.20% (0.04199) | 89.62th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.64% (0.01638) | 80.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.78% (0.02779) | 76.73th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.64% (0.01638) | 80.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.85% (0.00852) | 82.92th | v3 (v2023.03.01) |
| Jan 31, 2024 | 1.21% (0.01205) | 83.80th | v3 (v2023.03.01) |
| Dec 22, 2023 | 1.58% (0.01584) | 85.92th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.54% (0.01541) | 85.63th | v3 (v2023.03.01) |
| Jul 25, 2023 | 0.65% (0.00654) | 76.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.69% (0.00694) | 77.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.24% (0.05242) | 89.75th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.24% (0.05242) | 88.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.24% (0.05242) | 75.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.19% (0.08190) | 85.27th | v1 |
| Jan 6, 2022 | 8.19% (0.08190) | 85.10th | v1 |
| Sep 1, 2021 | 8.19% (0.08190) | 92.67th | v1 |
| Apr 14, 2021 | 8.19% (0.08190) | 0.00th | v1 |
References (19)
- http://mail-archives.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180721095943.GA24320%40minotaur.apache.org%3E
- http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180721101944.GA45239%40minotaur.apache.org%3E mailing-listx_refsource_MLIST
- http://tomcat.apache.org/security-native.html#Fixed_in_Apache_Tomcat_Native_Connector_1.2.17
- http://www.securityfocus.com/bid/104934 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041507 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2469 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2470 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-8020 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1581569 Issue Tracking
- https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/f8e0814e11c7f21f42224b6de111cb3f5e5ab5c15b78924c516d4ec2%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r831e0548fad736a98140d0b3b7dc575af0c50faea0b266434ba813cc%40%3Cdev.rocketmq.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rb25b42f666d2cac5e6e6b3f771faf60d1f1aa58073dcdd8db14edf8a%40%3Cdev.rocketmq.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rcddf723a4b4117f8ed6042e9ac25e8c5110a617bab77694b61b14833%40%3Cdev.rocketmq.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/re3b72cbb13e1dfe85c4a06959a3b6ca6d939b407ecca80db12b54220%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-lts-announce/2018/08/msg00023.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-8020
- https://www.cve.org/CVERecord?id=CVE-2018-8020
Change history (0)
No recorded changes yet.