How severe is CVE-2018-1000210?

CVE-2018-1000210 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000210 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000210?

CVE-2018-1000210 affects Yamldotnet Project Yamldotnet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000210?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1000210 published?

CVE-2018-1000210 was published on 2018-07-13 and last updated on 2026-06-17.

CVE-2018-1000210

CVE-2018-1000210 is a high-severity vulnerability in Yamldotnet Project Yamldotnet with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Yamldotnet Project Yamldotnet
Published: 2018-07-13
Last modified: 2026-06-17

Description

YamlDotNet version 4.3.2 and earlier contains a Insecure Direct Object Reference vulnerability in The default behavior of Deserializer.Deserialize() will deserialize user-controlled types in the line "currentType = Type.GetType(nodeEvent.Tag.Substring(1), throwOnError: false);" and blindly instantiates them. that can result in Code execution in the context of the running process. This attack appear to be exploitable via Victim must parse a specially-crafted YAML file. This vulnerability appears to have been fixed in 5.0.0.

Frequently asked questions

What is CVE-2018-1000210?: YamlDotNet version 4.3.2 and earlier contains a Insecure Direct Object Reference vulnerability in The default behavior of Deserializer.Deserialize() will deserialize user-controlled types in the line "currentType = Type.GetType(nodeEvent.Tag.Substring(1), throwOnError: false);" and blindly instantiates them. that can result in Code execution in the context of the running process. This attack appear to be exploitable via Victim must parse a specially-crafted YAML file. This vulnerability appears to have been fixed in 5.0.0.
How severe is CVE-2018-1000210?: CVE-2018-1000210 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000210 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000210?: CVE-2018-1000210 affects Yamldotnet Project Yamldotnet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000210?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000210 published?: CVE-2018-1000210 was published on 2018-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yamldotnet_project:yamldotnet:*:*:*:*:*:*:*:*

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