Is CVE-2021-22705 in the CISA KEV catalog?

No. CVE-2021-22705 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22705?

CVE-2021-22705 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-22705?

CVE-2021-22705 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22705?

Upgrade ecostruxure machine expert to 2.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-22705

HIGH

7.8

CVSS v3

NVD

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized access to system information when interacting directly with a driver installed by Vijeo Designer or EcoStruxure Machine Expert

CWE-119Buffer Overflow

How to fix

Remediation Available

ecostruxure machine expertNVD

Affected:< 2.0Fixed in:2.0CVE-2021-22705derived from NVD

vijeo designerNVD

Affected:< 6.2.11Fixed in:6.2.11CVE-2021-22705derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Patch1

download.schneider-electric.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.