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CVE Record

CVE-2020-15471: In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_p...

In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_packet_line_info in lib/ndpi_main.c.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2020-15471 is a memory-read flaw in nDPI packet parsing through version 3.2. A malformed packet could make the parser read past a heap buffer. The source bundle does not provide CVSS, confirmed business impact, or vendor severity, so urgency depends on whether nDPI is used on untrusted traffic paths.

Executive priority

Treat this as an inventory and patch-planning issue unless nDPI is on critical untrusted traffic paths. The absence of severity and exploitation evidence lowers confidence, but packet-parsing memory flaws can disrupt monitoring or embedded security services.

Technical view

The CVE describes a heap-based buffer over-read in ndpi_parse_packet_line_info in lib/ndpi_main.c, affecting nDPI through 3.2. A referenced upstream commit is likely relevant to remediation. The bundle also cites a public PoC repository, but provides no KEV listing or evidence of active exploitation.

Likely exposure

Exposure is most likely in products or internal systems that include nDPI through 3.2 and parse network packets. Internet-facing packet inspection, monitoring, or traffic-analysis deployments should be prioritized for inventory review.

Exploitation context

CISA KEV is false in the bundle, and no cited source confirms active exploitation. The referenced public PoC repository indicates public research material exists, but the bundle does not establish real-world exploitation or weaponized use.

Researcher notes

Evidence is limited to the CVE description, an upstream commit, and a public PoC reference. Do not assume broader product impact without confirming embedded nDPI versions. The key research task is mapping downstream consumers and verifying the patch state.

Mitigation direction

  • Identify deployments using nDPI through 3.2.
  • Review the upstream nDPI commit for the vendor-supported fix path.
  • Upgrade nDPI according to maintainer or product-vendor guidance.
  • Prioritize systems parsing untrusted or high-volume network traffic.
  • Check downstream appliances or applications that bundle nDPI.

Validation and detection

  • Inventory package, library, and appliance versions for nDPI usage.
  • Confirm whether lib/ndpi_main.c includes the upstream corrective change.
  • Review vendor advisories for bundled nDPI components.
  • Check crash or parser anomaly logs around packet-processing services.
  • Track whether public PoC exposure affects your deployed version.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-15471 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.