Is CVE-2023-46284 in the CISA KEV catalog?

No. CVE-2023-46284 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-46284?

CVE-2023-46284 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-46284?

CVE-2023-46284 has an EPSS score of 0.91% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-46284?

Upgrade simatic pcs neo to 4.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-46284

HIGH

7.5

CVSS v3

NVD

Description

A vulnerability has been identified in Opcenter Execution Foundation (All versions < V2407), Opcenter Quality (All versions < V2312), SIMATIC PCS neo (All versions < V4.1), SINEC NMS (All versions < V2.0 SP1), Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 8), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 3). The affected application contains an out of bounds write past the end of an allocated buffer when handling specific requests on port 4002/tcp and 4004/tcp. This could allow an attacker to crash the application. The corresponding service is auto-restarted after the crash.

CWE-120Classic Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

simatic pcs neoNVD

Affected:< 4.1Fixed in:4.1CVE-2023-46284derived from NVD

totally integrated automation portalNVD

Affected:>= 17, < 18Fixed in:18CVE-2023-46284derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.91%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Other references1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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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.