In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009
Published Dec 3, 2017
7.5
HIGHCVSS 3.0
EPSS 1.43%
Description
In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue.
Affected products
No data.
Configuration 1
- < 0.2.5.16
- ≥ 0.2.6 · < 0.2.8.17
- ≥ 0.2.9 · < 0.2.9.14
- ≥ 0.3.0 · < 0.3.0.13
- ≥ 0.3.1 · < 0.3.1.9
Configuration 2
- 8.0
- 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 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) |
| Sep 20, 2026 | 1.43% (0.01426) | 71.76th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.23% (0.00233) | 61.79th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.23% (0.00233) | 61.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00233) | 59.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | 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 | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
No CWE recorded.
References (3)
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 x_refsource_CONFIRMVendor Advisory
- https://bugs.torproject.org/24244 x_refsource_CONFIRMVendor Advisory
- https://www.debian.org/security/2017/dsa-4054 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 | x_refsource_CONFIRMVendor Advisory | |
| https://bugs.torproject.org/24244 | x_refsource_CONFIRMVendor Advisory | |
| https://www.debian.org/security/2017/dsa-4054 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.