MEDIUM
Tor before 0.2.4.23 and 0.2.5 before 0.2.5.6-alpha maintains a circuit after an inbound RELAY_EARLY cell is received by a client, which makes it easier for remote attackers to conduct traffic-confirmation attacks by using the pattern of RELAY and RELAY_EARLY cells as a means of communicating information about hidden service names
Published Jul 30, 2014
5.8
MEDIUMCVSS 2.0
EPSS 2.11%
Description
Tor before 0.2.4.23 and 0.2.5 before 0.2.5.6-alpha maintains a circuit after an inbound RELAY_EARLY cell is received by a client, which makes it easier for remote attackers to conduct traffic-confirmation attacks by using the pattern of RELAY and RELAY_EARLY cells as a means of communicating information about hidden service names.
Affected products
No data.
OR
- ≤ 0.2.4.22
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.2
- 0.0.3
- 0.0.4
- 0.0.5
- 0.0.6
- 0.0.6.1
- 0.0.6.2
- 0.0.7
- 0.0.7.1
- 0.0.7.2
- 0.0.7.3
- 0.0.8.1
- 0.0.9.1
- 0.0.9.2
- 0.0.9.3
- 0.0.9.4
- 0.0.9.5
- 0.0.9.6
- 0.0.9.7
- 0.0.9.8
- 0.0.9.9
- 0.0.9.10
- 0.1.0.10
- 0.1.0.11
- 0.1.0.12
- 0.1.0.13
- 0.1.0.14
- 0.1.0.15
- 0.1.0.16
- 0.1.0.17
- 0.1.1.20
- 0.1.1.21
- 0.1.1.22
- 0.1.1.23
- 0.1.1.24
- 0.1.1.25
- 0.1.1.26
- 0.1.2.13
- 0.1.2.14
- 0.1.2.15
- 0.1.2.16
- 0.1.2.17
- 0.1.2.18
- 0.1.2.19
- 0.2.0.30
- 0.2.0.31
- 0.2.0.32
- 0.2.0.33
- 0.2.0.34
- 0.2.0.35
- 0.2.2.18
- 0.2.2.19
- 0.2.2.20
- 0.2.2.21
- 0.2.2.22
- 0.2.2.23
- 0.2.2.24
- 0.2.2.25
- 0.2.2.26
- 0.2.2.27
- 0.2.2.28
- 0.2.2.29
- 0.2.2.30
- 0.2.2.31
- 0.2.2.32
- 0.2.2.33
- 0.2.2.34
- 0.2.2.35
- 0.2.2.36
- 0.2.2.37
- 0.2.2.38
- 0.2.3
- 0.2.3.13
- 0.2.3.14
- 0.2.3.15
- 0.2.3.16
- 0.2.3.17
- 0.2.3.18
- 0.2.3.19
- 0.2.3.20
- 0.2.3.21
- 0.2.3.22
- 0.2.3.23
- 0.2.3.24
- 0.2.4.1
- 0.2.4.2
- 0.2.4.3
- 0.2.4.4
- 0.2.4.5
- 0.2.4.6
- 0.2.4.7
- 0.2.4.8
- 0.2.4.9
- 0.2.4.10
- 0.2.4.11
- 0.2.4.12
- 0.2.4.13
- 0.2.4.14
- 0.2.4.15
- 0.2.4.16
- 0.2.4.17
- 0.2.4.18
- 0.2.4.19
- 0.2.4.20
- 0.2.5.2
- 0.2.5.3
- 0.2.5.4
- 0.2.5.5
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.
No CVSS v3.0 score for this CVE.
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.11% 0.02112
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02112
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.11% (0.02112) | 81.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.09% (0.02094) | 79.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00600) | 67.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.62% (0.00616) | 79.47th | v3 (v2023.03.01) |
| Mar 11, 2024 | 0.62% (0.00616) | 78.25th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.63% (0.00628) | 78.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00628) | 75.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (7)
- http://secunia.com/advisories/60084 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/60647 third-party-advisoryx_refsource_SECUNIA
- https://blog.torproject.org/blog/tor-security-advisory-relay-early-traffic-confirmation-attack x_refsource_CONFIRM
- https://lists.torproject.org/pipermail/tor-announce/2014-July/000093.html mailing-listx_refsource_MLIST
- https://lists.torproject.org/pipermail/tor-announce/2014-July/000094.html mailing-listx_refsource_MLISTVendor Advisory
- https://lists.torproject.org/pipermail/tor-talk/2014-July/034180.html mailing-listx_refsource_MLIST
- https://trac.torproject.org/projects/tor/ticket/1038 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/60084 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/60647 | third-party-advisoryx_refsource_SECUNIA | |
| https://blog.torproject.org/blog/tor-security-advisory-relay-early-traffic-confirmation-attack | x_refsource_CONFIRM | |
| https://lists.torproject.org/pipermail/tor-announce/2014-July/000093.html | mailing-listx_refsource_MLIST | |
| https://lists.torproject.org/pipermail/tor-announce/2014-July/000094.html | mailing-listx_refsource_MLISTVendor Advisory | |
| https://lists.torproject.org/pipermail/tor-talk/2014-July/034180.html | mailing-listx_refsource_MLIST | |
| https://trac.torproject.org/projects/tor/ticket/1038 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 30, 2014
Updated Aug 6, 2024
Reserved Jul 30, 2014
Link CVE-2014-5117
CISA Vulnrichment
Updated n/a