CRITICAL
active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor
Published Aug 10, 2018
9.8
CRITICALCVSS 3.0
EPSS 6.13%
Description
active-support ruby gem 5.2.0 could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.
Affected products
-
- Version 5.2.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HackerOne | Active-Support Ruby Gem | n/a |
|
- 5.2.0
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.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.13% 0.06129
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.06129
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 (41 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.13% (0.06129) | 93.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.13% (0.06129) | 92.50th | v5 (v2026.06.15) |
| Nov 21, 2025 | 5.12% (0.05117) | 89.38th | v4 (v2025.03.14) |
| Nov 18, 2025 | 6.60% (0.06596) | 90.24th | v4 (v2025.03.14) |
| Sep 8, 2025 | 5.12% (0.05117) | 89.45th | v4 (v2025.03.14) |
| Sep 5, 2025 | 8.91% (0.08905) | 92.25th | v4 (v2025.03.14) |
| Sep 1, 2025 | 6.96% (0.06959) | 91.12th | v4 (v2025.03.14) |
| Aug 4, 2025 | 8.91% (0.08905) | 92.19th | v4 (v2025.03.14) |
| Aug 1, 2025 | 6.96% (0.06959) | 91.10th | v4 (v2025.03.14) |
| Jul 6, 2025 | 8.91% (0.08905) | 92.13th | v4 (v2025.03.14) |
| Jul 1, 2025 | 6.96% (0.06959) | 91.01th | v4 (v2025.03.14) |
| Jun 5, 2025 | 8.91% (0.08905) | 92.10th | v4 (v2025.03.14) |
| Jun 1, 2025 | 6.96% (0.06959) | 90.97th | v4 (v2025.03.14) |
| May 4, 2025 | 8.91% (0.08905) | 92.08th | v4 (v2025.03.14) |
| May 1, 2025 | 6.96% (0.06959) | 90.95th | v4 (v2025.03.14) |
| Apr 13, 2025 | 8.91% (0.08905) | 91.78th | v4 (v2025.03.14) |
| Apr 12, 2025 | 6.96% (0.06959) | 90.61th | v4 (v2025.03.14) |
| Apr 5, 2025 | 8.91% (0.08905) | 91.79th | v4 (v2025.03.14) |
| Apr 4, 2025 | 6.96% (0.06959) | 90.59th | v4 (v2025.03.14) |
| Apr 1, 2025 | 8.91% (0.08905) | 91.77th | v4 (v2025.03.14) |
| Mar 31, 2025 | 6.96% (0.06959) | 90.55th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.91% (0.08905) | 91.76th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.75% (0.19748) | 92.55th | v4 (v2025.03.14) |
| Mar 28, 2025 | 8.91% (0.08905) | 91.77th | v4 (v2025.03.14) |
| Mar 27, 2025 | 6.96% (0.06959) | 90.14th | v4 (v2025.03.14) |
| Mar 25, 2025 | 8.91% (0.08905) | 91.71th | v4 (v2025.03.14) |
| Mar 24, 2025 | 6.96% (0.06959) | 90.55th | v4 (v2025.03.14) |
| Mar 18, 2025 | 8.25% (0.08250) | 91.65th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.51% (0.10507) | 92.69th | v4 (v2025.03.14) |
| Mar 13, 2025 | 1.98% (0.01977) | 88.76th | v3 (v2023.03.01) |
| Jun 19, 2024 | 0.95% (0.00955) | 83.30th | v3 (v2023.03.01) |
| Mar 8, 2024 | 0.93% (0.00930) | 82.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.93% (0.00930) | 80.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.16% (0.01156) | 61.37th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.16% (0.01156) | 60.36th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.16% (0.01156) | 58.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.16% (0.01156) | 34.92th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.92% (0.00918) | 25.93th | v1 |
| Jan 6, 2022 | 0.92% (0.00918) | 25.29th | v1 |
| Sep 1, 2021 | 0.92% (0.00918) | 60.61th | v1 |
| Apr 14, 2021 | 0.92% (0.00918) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://github.com/advisories/GHSA-2j55-pcw5-x4h2 Advisory
- https://hackerone.com/reports/392311 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-3779
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-2j55-pcw5-x4h2 | Advisory | |
| https://hackerone.com/reports/392311 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-3779 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner hackerone
Published Aug 10, 2018
Updated Aug 5, 2024
Reserved Dec 28, 2017
Link CVE-2018-3779
CISA Vulnrichment
GHSA-2J55-PCW5-X4H2 Updated n/a