HIGH
The XML-RPC system in Drupal 6.x before 6.38 and 7.x before 7.43 might make it easier for remote attackers to conduct brute-force attacks via a large number of calls made at once to the same method
Published Apr 12, 2016
7.5
HIGHCVSS 3.0
EPSS 1.43%
Description
The XML-RPC system in Drupal 6.x before 6.38 and 7.x before 7.43 might make it easier for remote attackers to conduct brute-force attacks via a large number of calls made at once to the same method.
Affected products
No data.
Configuration 1
OR
- 7.0
- 8.0
Configuration 2
OR
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.1
- 6.2
- 6.3
- 6.4
- 6.5
- 6.6
- 6.7
- 6.8
- 6.10
- 6.11
- 6.12
- 6.13
- 6.14
- 6.15
- 6.16
- 6.17
- 6.18
- 6.19
- 6.20
- 6.21
- 6.22
- 6.23
- 6.24
- 6.25
- 6.26
- 6.27
- 6.28
- 6.29
- 6.30
- 6.31
- 6.32
- 6.33
- 6.34
- 6.35
- 6.36
- 6.37
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.1
- 7.2
- 7.3
- 7.4
- 7.5
- 7.6
- 7.7
- 7.8
- 7.9
- 7.10
- 7.11
- 7.12
- 7.13
- 7.14
- 7.15
- 7.16
- 7.17
- 7.18
- 7.19
- 7.20
- 7.21
- 7.22
- 7.23
- 7.24
- 7.25
- 7.26
- 7.27
- 7.28
- 7.29
- 7.30
- 7.31
- 7.32
- 7.33
- 7.34
- 7.35
- 7.36
- 7.37
- 7.38
- 7.40
- 7.41
- 7.42
- 7.x-dev
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.43% 0.01426
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01426
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.43% (0.01426) | 71.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.43% (0.01426) | 69.37th | v5 (v2026.06.15) |
| Jul 30, 2025 | 0.39% (0.00386) | 58.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.77% (0.01769) | 71.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.66% (0.00663) | 69.47th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.35% (0.00346) | 72.51th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00346) | 70.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00346) | 67.12th | 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) |
Weaknesses (1)
References (8)
- http://www.debian.org/security/2016/dsa-3498 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/02/24/19 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2016/03/15/10 mailing-listx_refsource_MLIST
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2016-3163.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2016-3163.yaml
- https://github.com/advisories/GHSA-h3r9-pjmr-f938 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-3163
- https://www.drupal.org/SA-CORE-2016-001 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3498 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2016/02/24/19 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2016/03/15/10 | mailing-listx_refsource_MLIST | |
| https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2016-3163.yaml | ||
| https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2016-3163.yaml | ||
| https://github.com/advisories/GHSA-h3r9-pjmr-f938 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-3163 | ||
| https://www.drupal.org/SA-CORE-2016-001 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 12, 2016
Updated Aug 5, 2024
Reserved Mar 15, 2016
Link CVE-2016-3163
CISA Vulnrichment
GHSA-H3R9-PJMR-F938 Updated n/a