The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request
Published Aug 28, 2013
5.0
MEDIUMCVSS 2.0
EPSS 1.76%
Description
The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.
Affected products
No data.
- ≤ 0.8.9
- 0.1.0
- 0.1.1
- 0.1.2
- 0.3.0
- 0.3.1
- 0.4.0
- 0.4.1
- 0.5.0
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.4
- 0.5.5
- 0.6.0
- 0.6.1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.4
- 0.7.5
- 0.7.6
- 0.7.7
- 0.7.8
- 0.7.9
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.3
- 0.8.4
- 0.8.5
- 0.8.6
- 0.8.7
- 0.8.7.1
- 0.8.8
No data.
No Red Hat product state for this CVE.
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
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 | 1.76% (0.01763) | 77.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.76% (0.01763) | 75.06th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.91% (0.00913) | 74.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.66% (0.01657) | 88.11th | v3 (v2023.03.01) |
| Jun 27, 2024 | 1.66% (0.01657) | 87.71th | v3 (v2023.03.01) |
| Apr 10, 2023 | 1.66% (0.01657) | 85.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.89% (0.01892) | 86.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2013/dsa-2708 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2013/06/13/7 mailing-listx_refsource_MLIST
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338 vdb-entrysignaturex_refsource_OVAL
- https://raw.github.com/fail2ban/fail2ban/master/ChangeLog x_refsource_CONFIRM
- https://vndh.net/note:fail2ban-089-denial-service x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2014-03/msg00021.html | vendor-advisoryx_refsource_SUSE | |
| http://www.debian.org/security/2013/dsa-2708 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2013/06/13/7 | mailing-listx_refsource_MLIST | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17338 | vdb-entrysignaturex_refsource_OVAL | |
| https://raw.github.com/fail2ban/fail2ban/master/ChangeLog | x_refsource_CONFIRM | |
| https://vndh.net/note:fail2ban-089-denial-service | x_refsource_MISC |
Change history (0)
No recorded changes yet.