Is CVE-2021-22799 in the CISA KEV catalog?

No. CVE-2021-22799 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22799?

CVE-2021-22799 has a CVSS v3 base score of 3.8 (LOW).

What is the EPSS score for CVE-2021-22799?

CVE-2021-22799 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22799?

Upgrade software update to 2.5.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-22799

LOW

3.8

CVSS v3

NVD

Description

A CWE-331: Insufficient Entropy vulnerability exists that could cause unintended connection from an internal network to an external network when an attacker manages to decrypt the SESU proxy password from the registry. Affected Product: Schneider Electric Software Update, V2.3.0 through V2.5.1

CWE-331

How to fix

Remediation Available

software updateNVD

Affected:>= 2.3.0, < 2.5.2Fixed in:2.5.2CVE-2021-22799derived 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

ScopeChanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Patch1

download.schneider-electric.com

Related Vulnerabilities

Other CWE-331 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2008-1447	Medium	6.8	95%	-	Fix
CVE-2018-18326	High	7.5	54%	-	-
CVE-2018-15812	High	7.5	47%	-	-
CVE-2015-3405	High	7.5	5.3%	-	Fix
CVE-2008-2108	Critical	9.8	4.3%	-	Fix
CVE-2017-0897	High	7.5	4.0%	-	-

Embed a live status badge for CVE-2021-22799

Markdown

[![CVE-2021-22799](https://tridentstack.com/cve/badge/CVE-2021-22799.svg)](https://tridentstack.com/cve/CVE-2021-22799)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-22799"><img src="https://tridentstack.com/cve/badge/CVE-2021-22799.svg" alt="CVE-2021-22799"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.