5.3

CVE-2021-29297: emerson proficy_machine_edition Classic Buffer Overflow

CVSS: 5.3v3.1MediumModified
Published 30-07-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-29297 is a medium (CVSS 5.3) Classic Buffer Overflow vulnerability in emerson proficy_machine_edition. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56.1% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.80%
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. 30-07-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer Overflow in Emerson GE Automation Proficy Machine Edition v8.0 allows an attacker to cause a denial of service and application crash via crafted traffic from a Man-in-the-Middle (MITM) attack to the component "FrameworX.exe" in the module "MSVCR100.dll".

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.80% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.80%

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

Emerson1 product

1 vendor · 1 product

References

2 links