Is CVE-2023-0870 in the CISA KEV catalog?

No. CVE-2023-0870 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0870?

CVE-2023-0870 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2023-0870?

CVE-2023-0870 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0870?

Upgrade horizon to 31.0.6 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-0870

HIGH

8.1

CVSS v3

NVD

Description

A form can be manipulated with cross-site request forgery in multiple versions of OpenNMS Meridian and Horizon. This can potentially allow an attacker to gain access to confidential information and compromise integrity. The solution is to upgrade to Meridian 2023.1.1 or Horizon 31.0.6 or newer. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

horizonNVD

Affected:< 31.0.6Fixed in:31.0.6CVE-2023-0870derived from NVD

meridianNVD

Affected:>= 2022.1.0, < 2022.1.14Fixed in:2022.1.14CVE-2023-0870derived 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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Patch1

github.com

Release Notes1

docs.opennms.com

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

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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.