HIGH
An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50
Published Nov 7, 2018
7.5
HIGHCVSS 3.1
EPSS 13.71%
Description
An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character.
Affected products
No data.
Configuration 2
OR
- 15.0
- 15.0
- 15.0
- 15.1
- 11
- 11
- 12
- 12
- 12
- 12
- 12
Configuration 3
- 9.0
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
13.71% 0.13714
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.13714
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 (67 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 13.71% (0.13714) | 96.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.08% (0.14080) | 96.08th | v5 (v2026.06.15) |
| May 24, 2026 | 57.12% (0.57123) | 98.18th | v4 (v2025.03.14) |
| Mar 28, 2026 | 58.17% (0.58168) | 98.17th | v4 (v2025.03.14) |
| Mar 4, 2026 | 51.92% (0.51923) | 97.86th | v4 (v2025.03.14) |
| Mar 1, 2026 | 54.96% (0.54956) | 98.01th | v4 (v2025.03.14) |
| Feb 18, 2026 | 51.92% (0.51923) | 97.84th | v4 (v2025.03.14) |
| Feb 4, 2026 | 49.52% (0.49517) | 97.71th | v4 (v2025.03.14) |
| Feb 1, 2026 | 52.60% (0.52601) | 97.87th | v4 (v2025.03.14) |
| Jan 4, 2026 | 49.52% (0.49517) | 97.69th | v4 (v2025.03.14) |
| Jan 1, 2026 | 52.60% (0.52601) | 97.85th | v4 (v2025.03.14) |
| Dec 28, 2025 | 49.52% (0.49517) | 97.68th | v4 (v2025.03.14) |
| Dec 27, 2025 | 34.31% (0.34315) | 96.86th | v4 (v2025.03.14) |
| Dec 26, 2025 | 51.27% (0.51269) | 97.76th | v4 (v2025.03.14) |
| Dec 25, 2025 | 42.95% (0.42949) | 97.35th | v4 (v2025.03.14) |
| Dec 4, 2025 | 37.42% (0.37424) | 97.00th | v4 (v2025.03.14) |
| Dec 1, 2025 | 43.53% (0.43533) | 97.38th | v4 (v2025.03.14) |
| Nov 21, 2025 | 37.42% (0.37424) | 97.00th | v4 (v2025.03.14) |
| Nov 18, 2025 | 45.34% (0.45339) | 97.45th | v4 (v2025.03.14) |
| Nov 4, 2025 | 37.42% (0.37424) | 96.99th | v4 (v2025.03.14) |
| Nov 1, 2025 | 43.53% (0.43533) | 97.38th | v4 (v2025.03.14) |
| Oct 28, 2025 | 37.42% (0.37424) | 96.99th | v4 (v2025.03.14) |
| Oct 27, 2025 | 30.78% (0.30779) | 96.52th | v4 (v2025.03.14) |
| Oct 4, 2025 | 37.42% (0.37424) | 97.06th | v4 (v2025.03.14) |
| Oct 1, 2025 | 43.53% (0.43533) | 97.44th | v4 (v2025.03.14) |
| Sep 22, 2025 | 30.78% (0.30779) | 96.59th | v4 (v2025.03.14) |
| Jul 30, 2025 | 29.56% (0.29558) | 96.43th | v4 (v2025.03.14) |
| Jul 4, 2025 | 42.91% (0.42910) | 97.33th | v4 (v2025.03.14) |
| Jul 1, 2025 | 47.70% (0.47700) | 97.58th | v4 (v2025.03.14) |
| Jun 6, 2025 | 42.91% (0.42910) | 97.30th | v4 (v2025.03.14) |
| Jun 1, 2025 | 47.70% (0.47700) | 97.57th | v4 (v2025.03.14) |
| May 26, 2025 | 42.91% (0.42910) | 97.31th | v4 (v2025.03.14) |
| May 4, 2025 | 46.69% (0.46694) | 97.49th | v4 (v2025.03.14) |
| May 1, 2025 | 51.44% (0.51444) | 97.73th | v4 (v2025.03.14) |
| Apr 17, 2025 | 46.69% (0.46694) | 97.46th | v4 (v2025.03.14) |
| Apr 16, 2025 | 51.44% (0.51444) | 97.69th | v4 (v2025.03.14) |
| Apr 15, 2025 | 46.69% (0.46694) | 97.45th | v4 (v2025.03.14) |
| Apr 14, 2025 | 51.44% (0.51444) | 97.67th | v4 (v2025.03.14) |
| Apr 10, 2025 | 46.69% (0.46694) | 97.43th | v4 (v2025.03.14) |
| Apr 5, 2025 | 39.86% (0.39857) | 97.04th | v4 (v2025.03.14) |
| Apr 4, 2025 | 44.63% (0.44633) | 97.31th | v4 (v2025.03.14) |
| Mar 30, 2025 | 39.86% (0.39857) | 97.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 73.40% (0.73399) | 98.42th | v4 (v2025.03.14) |
| Mar 28, 2025 | 39.86% (0.39857) | 97.03th | v4 (v2025.03.14) |
| Mar 27, 2025 | 61.76% (0.61758) | 98.09th | v4 (v2025.03.14) |
| Mar 24, 2025 | 56.48% (0.56481) | 97.93th | v4 (v2025.03.14) |
| Mar 23, 2025 | 61.76% (0.61758) | 98.14th | v4 (v2025.03.14) |
| Mar 20, 2025 | 56.48% (0.56481) | 97.94th | v4 (v2025.03.14) |
| Mar 19, 2025 | 61.76% (0.61758) | 98.13th | v4 (v2025.03.14) |
| Mar 17, 2025 | 56.48% (0.56481) | 97.89th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.31% (0.00310) | 70.33th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.31% (0.00310) | 70.20th | v3 (v2023.03.01) |
| May 9, 2024 | 0.35% (0.00348) | 71.63th | v3 (v2023.03.01) |
| Mar 30, 2024 | 0.49% (0.00493) | 75.76th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00442) | 74.14th | v3 (v2023.03.01) |
| Nov 1, 2023 | 0.44% (0.00442) | 72.05th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.37% (0.00368) | 68.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00318) | 65.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.49% (0.12492) | 95.36th | v2 (v2022.01.01) |
| Jul 16, 2022 | 12.49% (0.12492) | 95.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v1 |
| Jan 19, 2022 | 0.83% (0.00833) | 24.18th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1 x_refsource_MISCExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00012.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1 | x_refsource_MISCExploitVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2022/01/msg00012.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 7, 2018
Updated Aug 5, 2024
Reserved Nov 6, 2018
Link CVE-2018-19052
CISA Vulnrichment
Updated n/a