9.1

CVE-2020-27636: microchip mplab_network_creator Use of Insufficiently Random Values

CVSS: 9.1v3.1CriticalModified
Published 10-10-2023Last modified 19-09-2024
Open JSON

Vulnerability summary

CVE-2020-27636 is a critical (CVSS 9.1) Use of Insufficiently Random Values vulnerability in microchip mplab_network_creator. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
0.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-10-2023
    PublishedVulnerability first disclosed.
  2. 19-09-2024
    Last modifiedVulnerability information updated.

Description

In Microchip MPLAB Net 3.6.1, TCP ISNs are improperly random.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.87% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microchip1 product

1 vendor · 1 product

References

3 links