How severe is CVE-2022-40259?

CVE-2022-40259 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40259?

CVE-2022-40259 primarily affects Ami Megarac Sp-x. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40259?

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-2022-40259 published?

CVE-2022-40259 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-40259

CVE-2022-40259 is a high-severity vulnerability in Ami Megarac Sp-x with a CVSS 3.x base score of 8.3. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ami Megarac Sp-x
Published: 2022-12-05
Last modified: 2026-06-17

Description

MegaRAC Default Credentials Vulnerability

Frequently asked questions

What is CVE-2022-40259?: MegaRAC Default Credentials Vulnerability
How severe is CVE-2022-40259?: CVE-2022-40259 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40259?: CVE-2022-40259 primarily affects Ami Megarac Sp-x. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40259?: 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-2022-40259 published?: CVE-2022-40259 was published on 2022-12-05 and last updated on 2026-06-17.

References

https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023001.pdf

Affected products (2)

cpe:2.3:o:ami:megarac_sp-x:12:*:*:*:*:*:*:*
cpe:2.3:o:ami:megarac_sp-x:13:*:*:*:*:*:*:*

More vulnerabilities in Ami Megarac Sp-x

CVE-2024-54085 — Critical (CVSS 9.8): AMI’s SPx contains a vulnerability in the BMC where an Attacker may bypass authentication remotely through the…
CVE-2023-3043 — Critical (CVSS 9.6): AMI’s SPx contains a vulnerability in the BMC where an Attacker may cause a stack-based buffer overflow via an…
CVE-2023-37293 — Critical (CVSS 9.6): AMI’s SPx contains a vulnerability in the BMC where an Attacker may cause a stack-based buffer overflow via an…
CVE-2023-34329 — Critical (CVSS 9.1): AMI MegaRAC SPx12 contains a vulnerability in BMC where a User may cause an authentication bypass by spoofing the HTTP…
CVE-2023-28863 — Critical (CVSS 9.1): AMI MegaRAC SPx12 and SPx13 devices have Insufficient Verification of Data Authenticity.
CVE-2023-37297 — High (CVSS 8.3): AMI’s SPx contains a vulnerability in the BMC where an Attacker may cause a heap memory corruption via an adjacent…

All CVEs affecting Ami Megarac Sp-x →

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-19977 — Critical (CVSS 10.0): A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function…
CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →