CVE-2025-0275VulnerabilityPublished 16 Oct 2025

CVE-2025-0275: HCL Software BigFix Mobile · Missing Authentication

Affects HCL Software BigFix MobileSource CVE Database V5

Not known to be exploited · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score

5.3Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 17% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: None: There is no loss of confidentiality within the impacted component.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 16 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
HCL Software BigFix Mobile	Affected <=3.3	Fixed in–

AI-suggested

1. Monitor HCL Software advisories and apply official patches or updates promptly once released to address CVE-2025-0275. 2. Restrict network access to the BigFix Mobile management interface using firewalls and network segmentation to limit exposure to trusted administrators only. 3. Implement strong network-level authentication and VPN access controls to reduce the risk of unauthorized access. 4. Enable detailed logging and continuous monitoring of BigFix Mobile endpoints and servers to detect unusual or unauthorized activity targeting internal functions. 5. Conduct regular security audits and penetration tests focusing on access control mechanisms within endpoint management systems. 6. Consider deploying web application firewalls (WAFs) or intrusion prevention systems (IPS) to detect and block attempts to exploit missing authentication vulnerabilities. 7. Educate IT and security teams about this vulnerability to ensure rapid response and containment if exploitation attempts are detected. 8. Evaluate the possibility of upgrading to newer versions of BigFix Mobile that may have improved security controls or alternative endpoint management solutions if patches are delayed.

Description

HCL BigFix Mobile 3.3 and earlier is affected by improper access control. Unauthorized users can access a small subset of endpoint actions, potentially allowing access to select internal functions.

Impact

For European organizations, the primary impact of CVE-2025-0275 lies in potential availability disruptions of endpoint management services provided by HCL BigFix Mobile. Endpoint management is critical for maintaining device security, deploying patches, and enforcing compliance policies. Disruption or denial of service could delay security updates and increase exposure to other threats. Although confidentiality and integrity are not directly compromised, the inability to manage endpoints effectively can indirectly increase risk exposure. Organizations relying heavily on BigFix Mobile for large-scale endpoint management, especially in sectors like finance, healthcare, and critical infrastructure, may experience operational challenges. The absence of authentication for critical functions could allow attackers to trigger unintended actions, potentially causing service outages or degraded performance. This could also impact incident response and remediation capabilities. Given the medium severity, the threat is significant but not critical, allowing time for mitigation before widespread exploitation occurs.

CWE-306Missing Authentication for Critical Function (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #21OWASP Top 10 A07:2025: Authentication Failures (opens in a new tab)
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Architecture and Design
Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks…
Architecture and Design
Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment.
OWASP Cheat Sheets
OWASP Authentication (opens in a new tab)
OWASP ASVS 4.0.3
V1.2.3 (opens in a new tab)
V1.2.2 (opens in a new tab)
V1.2.4 (opens in a new tab)
Attack patterns
Choosing Message Identifier (opens in a new tab)
Force the System to Reset Values (opens in a new tab)
Using Unpublished Interfaces or Functionality (opens in a new tab)
Cross Site Request Forgery (opens in a new tab)
Communication Channel Manipulation (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0124512 (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 16 Oct 2025, 05:37 UTC

WeaknessesCWE-306

Technical details

References

Community reviews

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