CVE-2020-15476
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in...
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
- Record
CVE-2020-15476- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
- Record
CVE-2020-15476- Updated
- 2026-11-02
EUVDEUVD-2020-7469 No score
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
- Record
EUVD-2020-7469- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6f7g-9q5v-x6x8
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in...
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
- Record
GHSA-6f7g-9q5v-x6x8- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
- Record
CVE-2020-15476- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-15476
In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.
- Record
DEBIAN-CVE-2020-15476- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ndpiDebian:12 |
before 3.4-1 | 3.4-1 |
ndpiDebian:13 |
before 3.4-1 | 3.4-1 |
ndpiDebian:14 |
before 3.4-1 | 3.4-1 |
ndpiDebian:9 |
before 1.8-1+deb9u1, plus listed versions 1.8-1 |
1.8-1+deb9u1 |
ndpiDebian:10 From an advisory covering 2 CVEs |
before 2.6-3+deb10u1, plus listed versions 2.6-3 |
2.6-3+deb10u1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2020-15476 is a high vulnerability (CVSS 7.5) in Ntop Ndpi, published July 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 81st percentile. Fixed in ndpi 3.4-1.
References
github.com/ntop/nDPI/commit/b69177be2fbe01c2442239a61832c44e40136c05
bugs.chromium.org/p/oss-fuzz/issues/detail?id=21780
lists.debian.org/debian-lts-announce/2020/08/msg00052.html
nvd.nist.gov/vuln/detail/CVE-2020-15476
security-tracker.debian.org/tracker/CVE-2020-15476