Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53
Published Oct 24, 2007
7.5
HIGHCVSS 2.0
EPSS 2.37%
Description
Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53.
Affected products
No data.
- 2.1.4
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:P/I:P/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.37% (0.02370) | 83.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.37% (0.02370) | 81.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.27% (0.00271) | 48.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.21% (0.01209) | 85.88th | v3 (v2023.03.01) |
| Jul 20, 2024 | 1.14% (0.01142) | 84.92th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.92% (0.00919) | 82.93th | v3 (v2023.03.01) |
| May 5, 2024 | 0.92% (0.00925) | 82.85th | v3 (v2023.03.01) |
| Mar 27, 2024 | 0.89% (0.00888) | 82.22th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.79% (0.00788) | 80.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.79% (0.00788) | 78.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://archives.neohapsis.com/archives/fulldisclosure/2003-q2/0352.html mailing-listx_refsource_FULLDISC
- http://www.securiteam.com/securitynews/5FP0N1P9PI.html x_refsource_MISC
- http://www.securityfocus.com/bid/7436 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11880 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/fulldisclosure/2003-q2/0352.html | mailing-listx_refsource_FULLDISC | |
| http://www.securiteam.com/securitynews/5FP0N1P9PI.html | x_refsource_MISC | |
| http://www.securityfocus.com/bid/7436 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/11880 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.