Is CVE-2023-32787 in the CISA KEV catalog?

No. CVE-2023-32787 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-32787?

CVE-2023-32787 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-32787?

CVE-2023-32787 has an EPSS score of 1.17% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-32787?

Upgrade ua historian to 1.2.0 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2023-32787

HIGH

7.5

CVSS v3

NVD

Description

The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.

CWE-400Resource Exhaustion

How to fix

Remediation Available

ua historianNVD

Affected:< 1.2.0Fixed in:1.2.0CVE-2023-32787derived from NVD

ua java legacyNVD

Affected:< 2023-04-28Fixed in:2023-04-28CVE-2023-32787derived from NVD

ua modbus serverNVD

Affected:< 1.4.20Fixed in:1.4.20CVE-2023-32787derived from NVD

ua simulation serverNVD

Affected:< 5.4.2Fixed in:5.4.2CVE-2023-32787derived 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

1.17%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch2

Product1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	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.