HIGH
Tcpreplay before 4.3.1 has a heap-based buffer over-read in packet2tree in tree.c
Published Dec 28, 2018
7.8
HIGHCVSS 3.0
EPSS 1.25%
Description
Tcpreplay before 4.3.1 has a heap-based buffer over-read in packet2tree in tree.c.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.25% 0.01249
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01249
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.25% (0.01249) | 68.28th | v5 (v2026.06.15) |
| Aug 23, 2026 | 1.66% (0.01659) | 74.44th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.07% (0.00074) | 32.33th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.07% (0.00074) | 30.85th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.07% (0.00066) | 26.96th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.06% (0.00060) | 22.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00094) | 38.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/appneta/tcpreplay/issues/530 x_refsource_MISCExploitThird Party Advisory
- https://github.com/appneta/tcpreplay/pull/532/commits/6b830a1640ca20528032c89a4fdd8291a4d2d8b2 x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/appneta/tcpreplay/issues/530 | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/appneta/tcpreplay/pull/532/commits/6b830a1640ca20528032c89a4fdd8291a4d2d8b2 | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 28, 2018
Updated Sep 16, 2024
Reserved Dec 28, 2018
Link CVE-2018-20552
CISA Vulnrichment
Updated n/a