Is CVE-2021-22802 in the CISA KEV catalog?

No. CVE-2021-22802 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22802?

CVE-2021-22802 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-22802?

CVE-2021-22802 has an EPSS score of 20.16% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-22802

CRITICALEPSS 97th pctl

9.8

CVSS v3

NVD

Description

A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could result in remote code execution due to missing length check on user supplied data, when a constructed message is received on the network. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)

CWE-120

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

20.16%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-03

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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.