CVE-2025-62877
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2025-62877 is a critical-severity Initialization of a Resource with an Insecure Default (CWE-1188) vulnerability in Suse (inferred from references). Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Default Accounts (T1078.001); ranked at the 43th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to CM-2 (Baseline Configuration) and CM-6 (Configuration Settings) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2025-62877 is a vulnerability in the SUSE Virtualization (Harvester) environment that exposes the OS default SSH login password. It affects projects using the 1.5.x or 1.6.x interactive installer to create a new cluster or add new hosts to an existing cluster. Environments utilizing the PXE boot mechanism along with Harvester configuration setup are not affected. The issue is associated with CWE-1188 and carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), published on 2026-01-08.
Attackers can exploit this vulnerability remotely over the network without authentication, privileges, or user interaction, requiring only low complexity. By accessing the exposed default SSH login password during the interactive installer process, unauthenticated remote attackers can achieve high-impact compromise, including unauthorized access to the affected OS, potentially enabling full control with significant effects on confidentiality, integrity, and availability.
Mitigation details and patches are available in the referenced advisories: SUSE Bugzilla at https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-62877 and Harvester GitHub security advisory at https://github.com/harvester/harvester/security/advisories/GHSA-6g8q-hp2j-gvwv. Security practitioners should consult these for specific remediation steps, such as avoiding the interactive installer or applying updates.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-0816
Vulnerability Data
Projects using the SUSE Virtualization (Harvester) environment may expose the OS default ssh login password if they are using the 1.5.x or 1.6.x interactive installer to either create a new cluster or add new hosts to an existing cluster. The…
more
environment is not affected if the PXE boot mechanism is utilized along with the Harvester configuration setup.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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- 11 hardening rules · 6 OS baselines
V14.3.2V6.3.2V11.3.1V13.2.3
Mitigating Controls (NIST 800-53 r5) AI
Baseline configuration directly requires documenting and maintaining secure initial settings instead of insecure defaults.
Configuration settings mandate the most restrictive values be applied at initialization, eliminating reliance on insecure factory defaults.
Least privilege reduces the blast radius of any insecure default permissions that remain after initialization.
Security engineering principles include explicit requirements for secure defaults during resource initialization and design.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Hardened baselines and configuration management directly replace insecure defaults with secure settings.
Secure development practices include designing products with secure defaults rather than insecure ones.
Pre-acquisition integrity checks can reject products known to ship with insecure defaults.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Mandating secure baseline templates and immediate replacement of vendor defaults directly stops systems from being deployed with insecure factory settings that attackers can exploit.
A.5.17 mandates changing default authentication information, removing that subset of CWE-1188 instances, but does not address insecure defaults unrelated to authentication.
Requiring documented specification, testing, and acceptance of changes ensures that new or modified components are not initialized with insecure default settings that would otherwise be left in production.
Hardening callouts derived
Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (higher-evidence rows only; rows rated `none` are excluded).
Oracle Linux 8 (1 rule)
- V-248823 OL 8 must not have the telnet-server package installed. blocks CWE-1188
RHEL 7 (1 rule)
- V-204627 SNMP community strings on the Red Hat Enterprise Linux operating system must be changed from the default. blocks CWE-1188
Ubuntu 22.04 (1 rule)
- V-260529 Ubuntu 22.04 LTS must be configured so that remote X connections are disabled, unless to fulfill documented and validated mission requirements. blocks CWE-1188
Ubuntu 24.04 (1 rule)
- V-270708 Ubuntu 24.04 LTS must be configured so that remote X connections are disabled, unless to fulfill documented and validated mission requirements. blocks CWE-1188
Windows Server 2016 (1 rule)
- V-224972 Active Directory Group Policy objects must have proper access control permissions. blocks CWE-1188
Windows Server 2019 (1 rule)
- V-205741 Windows Server 2019 Active Directory Group Policy objects must have proper access control permissions. blocks CWE-1188