CVE-2025-57854 | Red Hat OpenShift Update Service default permission

VDB-356240 · CVE-2025-57854 · GCVE-0-2025-57854 RED HAT OPENSHIFT UPDATE SERVICE DEFAULT PERMISSION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.4 $5k-$25k 1.38+ Summaryinfo A vulnerability labeled as critical has been found in Red Hat OpenShift Update Service. Impacted is an unknown function. Such manipulation leads to default permission. This vulnerability is referenced as CVE-2025-57854. The attack can only be performed from a local environment. No exploit is available. Detailsinfo A vulnerability, which was classified as critical, has been found in Red Hat OpenShift Update Service (the affected version unknown). Affected by this issue is an unknown part. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality, integrity, and availability. CVE summarizes: A container privilege escalation flaw was found in certain OpenShift Update Service (OSUS) images. This issue stems from the /etc/passwd file being created with group-writable permissions during build time. In certain conditions, an attacker who can execute commands within an affected container, even as a non-root user, may be able to leverage their membership in the root group to modify the /etc/passwd file. This could allow the attacker to add a new user with any arbitrary UID, including UID 0, leading to full root privileges within the container. The advisory is shared for download at access.redhat.com. This vulnerability is handled as CVE-2025-57854 since 08/21/2025. The exploitation is known to be difficult. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. 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 04/08/2026). The MITRE ATT&CK project declares the attack technique as T1222. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Virtualization Software Vendor Red Hat Name OpenShift Update Service License open-source Website Vendor: https://www.redhat.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.4 VulDB Meta Temp Score: 6.4 VulDB Base Score: 6.4 VulDB Temp Score: 6.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.4 CNA Vector (redhat): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Default permission CWE: CWE-276 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 08/21/2025 CVE reserved 04/08/2026 +230 days Advisory disclosed 04/08/2026 +0 days VulDB entry created 04/08/2026 +0 days VulDB entry last update Sourcesinfo Vendor: redhat.com Advisory: access.redhat.com Status: Confirmed CVE: CVE-2025-57854 (🔒) GCVE (CVE): GCVE-0-2025-57854 GCVE (VulDB): GCVE-100-356240 Entryinfo Created: 04/08/2026 16:31 Changes: 04/08/2026 16:31 (61) Complete: 🔍 Cache ID: 99:02F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸