Intel Server UEFI OobRasMmbiHandlerDriver memory leak

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel Server. It has been declared as problematic. This impacts an unknown function of the component UEFI OobRasMmbiHandlerDriver Module. Such manipulation leads to memory leak. This vulnerability is traded as CVE-2025-20077. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Intel Server (version now known). It has been rated as problematic. Affected by this issue is some unknown processing of the component UEFI OobRasMmbiHandlerDriver Module. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. CVE summarizes:

Missing release of memory after effective lifetime in the UEFI OobRasMmbiHandlerDriver module for some Intel(R) reference server platforms may allow a privileged user to enable denial of service via local access.

The advisory is shared for download at intel.com. This vulnerability is handled as CVE-2025-20077 since 01/07/2025. The exploitation is known to be difficult. The attack needs to be approached locally. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.1
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (intel): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/07/2025 CVE reserved
08/12/2025 +216 days Advisory disclosed
08/12/2025 +0 days VulDB entry created
08/12/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01300
Status: Confirmed

CVE: CVE-2025-20077 (🔒)
GCVE (CVE): GCVE-0-2025-20077
GCVE (VulDB): GCVE-100-319724

Entryinfo

Created: 08/12/2025 20:32
Changes: 08/12/2025 20:32 (74)
Complete: 🔍
Cache ID: 216::103

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