How severe is CVE-2024-20662?

CVE-2024-20662 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-20662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20662?

CVE-2024-20662 primarily affects Microsoft Windows Server 2008. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20662?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-20662 have an EU (EUVD) identifier?

Yes. CVE-2024-20662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18377.

When was CVE-2024-20662 published?

CVE-2024-20662 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2024-20662

CVE-2024-20662 is a medium-severity vulnerability in Microsoft Windows Server 2008 with a CVSS 3.x base score of 4.9. 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-843.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18377
Weakness: CWE-843
Affected product: Microsoft Windows Server 2008
Published: 2024-01-09
Last modified: 2026-06-17

Description

Windows Online Certificate Status Protocol (OCSP) Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2024-20662?: Windows Online Certificate Status Protocol (OCSP) Information Disclosure Vulnerability
How severe is CVE-2024-20662?: CVE-2024-20662 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-20662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20662?: CVE-2024-20662 primarily affects Microsoft Windows Server 2008. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20662 have an EU (EUVD) identifier?: Yes. CVE-2024-20662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18377.
When was CVE-2024-20662 published?: CVE-2024-20662 was published on 2024-01-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20662

Affected products (8)

cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:-:*:*:*:*:*:*:*

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