How severe is CVE-2020-1469?

CVE-2020-1469 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-1469 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1469?

CVE-2020-1469 affects Microsoft Bond. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1469?

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-2020-1469 published?

CVE-2020-1469 was published on 2020-07-14 and last updated on 2026-06-17.

CVE-2020-1469

CVE-2020-1469 is a high-severity vulnerability in Microsoft Bond with a CVSS 3.x base score of 7.5. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Microsoft Bond
Published: 2020-07-14
Last modified: 2026-06-17

Description

A denial of service vulnerability exists when the .NET implementation of Bond improperly parses input, aka 'Bond Denial of Service Vulnerability'.

Frequently asked questions

What is CVE-2020-1469?: A denial of service vulnerability exists when the .NET implementation of Bond improperly parses input, aka 'Bond Denial of Service Vulnerability'.
How severe is CVE-2020-1469?: CVE-2020-1469 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-1469 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1469?: CVE-2020-1469 affects Microsoft Bond. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1469?: 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-2020-1469 published?: CVE-2020-1469 was published on 2020-07-14 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1469

Affected products (1)

cpe:2.3:a:microsoft:bond:9.0.1:*:*:*:*:*:*:*

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