HIGH
Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java
Published Dec 10, 2018
7.5
HIGHCVSS 3.0
EPSS 1.69%
Description
Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/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
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.
1.69% 0.01687
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01687
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.69% (0.01687) | 76.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.69% (0.01687) | 73.97th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.12% (0.00123) | 47.14th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.12% (0.00123) | 46.85th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.12% (0.00118) | 44.85th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.11% (0.00110) | 42.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00137) | 47.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.66% (0.00663) | 18.75th | v1 |
| Jan 6, 2022 | 0.66% (0.00663) | 18.17th | v1 |
| Sep 1, 2021 | 0.66% (0.00663) | 47.40th | v1 |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
Weaknesses (1)
References (4)
- https://github.com/Bedework/bw-webdav/compare/bw-webdav-4.0.2...bw-webdav-4.0.3 x_refsource_MISCPatchThird Party Advisory
- https://github.com/Bedework/bw-webdav/pull/1 x_refsource_MISCPatchThird Party Advisory
- https://github.com/advisories/GHSA-5p52-j8pw-j7x5 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-20000
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Bedework/bw-webdav/compare/bw-webdav-4.0.2...bw-webdav-4.0.3 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/Bedework/bw-webdav/pull/1 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/advisories/GHSA-5p52-j8pw-j7x5 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-20000 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 10, 2018
Updated Sep 16, 2024
Reserved Dec 9, 2018
Link CVE-2018-20000
CISA Vulnrichment
GHSA-5P52-J8PW-J7X5 Updated n/a