IBM Power Systems up to FW950.H2/FW1060.80/FW1110.30/FW1120.00 ASMI Web Interface privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$5k-$25k0.43

Summaryinfo

A vulnerability was found in IBM Power Systems up to FW950.H2/FW1060.80/FW1110.30/FW1120.00. It has been declared as very critical. This vulnerability affects unknown code of the component ASMI Web Interface. Such manipulation leads to privileges management. This vulnerability is listed as CVE-2026-18848. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in IBM Power Systems up to FW950.H2/FW1060.80/FW1110.30/FW1120.00. It has been rated as very critical. Affected by this issue is some unknown processing of the component ASMI Web Interface. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the ASMI web interface. An attacker who can lure a logged-in ASMI administrator to visit a crafted web page can, under specific conditions, silently perform administrative actions on the FSP on behalf of that administrator, resulting in a confidentiality, integrity, and availability impact to the managed system.

The advisory is shared for download at ibm.com. This vulnerability is handled as CVE-2026-18848 since 08/04/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/19/2026). The MITRE ATT&CK project declares the attack technique as T1068.

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

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.3
CNA Vector (ibm): 🔒

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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

08/04/2026 CVE reserved
08/19/2026 +15 days Advisory disclosed
08/19/2026 +0 days VulDB entry created
08/19/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-18848 (🔒)
GCVE (CVE): GCVE-0-2026-18848
GCVE (VulDB): GCVE-100-393308

Entryinfo

Created: 08/19/2026 21:12
Changes: 08/19/2026 21:12 (62)
Complete: 🔍
Cache ID: 216::103

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