What is CVE-2021-29297?

CVE-2021-29297 is a medium-severity vulnerability in Emerson Proficy Machine Edition, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2021-07-30.

How severe is CVE-2021-29297?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2021-29297 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Emerson Proficy Machine Edition

CVE-2021-29297

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".

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Emerson Proficy_machine_edition — versions 8.0
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

boofish/ICS3Fuzzer

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2021-29297?: CVE-2021-29297 is a medium-severity vulnerability in Emerson Proficy Machine Edition, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.3/10. Published 2021-07-30.
How severe is CVE-2021-29297?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-29297 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.