How severe is CVE-2023-34337?

CVE-2023-34337 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-34337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34337?

CVE-2023-34337 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-2023-34337?

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-2023-34337 published?

CVE-2023-34337 was published on 2023-07-05 and last updated on 2026-06-17.

CVE-2023-34337

CVE-2023-34337 is a high-severity vulnerability in Ami Megarac Sp-x with a CVSS 3.x base score of 7.6. 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-326.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Ami Megarac Sp-x
Published: 2023-07-05
Last modified: 2026-06-17

Description

AMI SPx contains a vulnerability in the BMC where a user may cause an inadequate encryption strength by hash-based message authentication code (HMAC). A successful exploit of this vulnerability may lead to a loss of confidentiality, integrity, and availability.

Frequently asked questions

What is CVE-2023-34337?: AMI SPx contains a vulnerability in the BMC where a user may cause an inadequate encryption strength by hash-based message authentication code (HMAC). A successful exploit of this vulnerability may lead to a loss of confidentiality, integrity, and availability.
How severe is CVE-2023-34337?: CVE-2023-34337 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-34337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34337?: CVE-2023-34337 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-2023-34337?: 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-2023-34337 published?: CVE-2023-34337 was published on 2023-07-05 and last updated on 2026-06-17.

References

https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023006.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…

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