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CVE-2020-25340

18
FAUCET Score

CVE-2020-25340 describes a memory leak vulnerability in NFStream version 5.2.0. This flaw occurs when an nfstream object is created but then destroyed without being used, leading to unfreed allocated modules. The vulnerability has a CVSS score of 5.5 (Medium) and could result in a local denial of service (DoS) due to resource exhaustion. There is currently no evidence of active exploitation, and no public exploit code or significant community discussion has been observed for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.2.0CPE matchmatch criteria
cpe:2.3:a:nfstream:nfstream:5.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 82nd percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-whmq-cfm5-j8mjmedium

NFStream Local Denial of Service (DoS)

May 24, 2022

References

github.com / ntop/nDPI/issues/994
ExploitThird Party Advisory