CVE-2021-45387
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
CVE-2021-45387- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-617
- Updated
- 2026-11-02
CVE List No score
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
CVE-2021-45387- Updated
- 2026-11-02
EUVDEUVD-2021-32160 No score
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
EUVD-2021-32160- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c48w-4644-5538
5.5
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
GHSA-c48w-4644-5538- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
OSVALPINE-CVE-2021-45387
5.5
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
ALPINE-CVE-2021-45387- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
5.5
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
CVE-2021-45387- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-45387
5.5
tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.
- Record
DEBIAN-CVE-2021-45387- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tcpreplayAlpine:v3.20 |
before 4.4.1-r0 | 4.4.1-r0 |
tcpreplayAlpine:v3.21 |
before 4.4.1-r0 | 4.4.1-r0 |
tcpreplayAlpine:v3.22 |
before 4.4.1-r0 | 4.4.1-r0 |
tcpreplayAlpine:v3.23 |
before 4.4.1-r0 | 4.4.1-r0 |
tcpreplayAlpine:v3.24 |
before 4.4.1-r0 | 4.4.1-r0 |
tcpreplayDebian:12 |
before 4.4.0-1 | 4.4.0-1 |
tcpreplayDebian:13 |
before 4.4.0-1 | 4.4.0-1 |
tcpreplayDebian:14 |
before 4.4.0-1 | 4.4.0-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45387 is a medium vulnerability (CVSS 5.5) in Broadcom Tcpreplay, published February 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. Fixed in tcpreplay 4.4.1-r0.