VulnerabilityPublished 22 Jul 2025Updated 18 Aug 2025

CVE-2025-31511: AlertEnterprise Guardian · Authentication Bypass by Spoofing

Source CVE Database V5

Not known to be exploited · CVSS 7.3 High · fixed in 4.1.14.1.5.32 : patch affected systems soon.

Data as of 26 Oct 2026, 13:47 UTC

CVSS 3.1 base score

7.3High

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

EPSS: 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 4.1.14.1.5.32, 4.1.14.0.48, 4.1.14.0.43 +8

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
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: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on 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 22 Jul 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 or the CVSS exploit maturity 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

AI-suggested

European organizations using AlertEnterprise Guardian should immediately verify their current software build version and upgrade to one of the vendor-recommended patched versions listed (e.g., 4.1.12.2.1.19 or later). It is critical to implement strict API request validation and monitoring to detect anomalous user ID changes or unauthorized access attempts. Network segmentation should be enforced to limit exposure of the access request API to trusted internal networks only. Employing Web Application Firewalls (WAFs) with custom rules to detect and block suspicious API calls can provide an additional layer of defense. Organizations should also conduct regular audits of access logs and approval workflows to identify any unauthorized bypass attempts. Integrating multi-factor authentication (MFA) for access request submissions and approvals, where feasible, can further reduce risk. Finally, security teams should stay alert for any emerging exploit reports and update incident response plans accordingly.

Description

An issue was discovered in AlertEnterprise Guardian 4.1.14.2.2.1. One can bypass manager approval by changing the user ID in a Request%20Building%20Access requestSubmit API call. The vendor has stated that the system is protected by updating to a version equal to or greater than one of the following build numbers: 4.1.12.2.1.19, 4.1.12.5.2.36, 4.1.13.0.60, 4.1.13.2.0.3.39, 4.1.13.2.0.3.41, 4.1.13.2.42, 4.1.13.2.25.44, 4.1.14.0.13, 4.1.14.0.43, 4.1.14.0.48, and 4.1.14.1.5.32.

Impact

For European organizations, this vulnerability poses a significant risk, especially those relying on AlertEnterprise Guardian for managing physical building access and logical access controls. Unauthorized access could lead to physical security breaches, data theft, or sabotage of critical infrastructure. Confidentiality is impacted as unauthorized users might access sensitive areas or information. Integrity is compromised since attackers can alter access requests or permissions without detection. Availability could also be affected if attackers disrupt access control processes. The risk is heightened in sectors with stringent regulatory requirements such as finance, healthcare, government, and critical infrastructure operators within Europe. Non-compliance with GDPR and other regional security mandates could result in legal penalties and reputational damage. Additionally, since the vulnerability requires no authentication or user interaction and can be exploited remotely, the attack surface is broad, increasing the likelihood of exploitation if patches are not applied promptly.

CWE-290Authentication Bypass by Spoofing (opens in a new tab)
Base weaknessOWASP Top 10 A07:2025: Authentication Failures (opens in a new tab)
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
OWASP Cheat Sheets
REST Security (opens in a new tab)
JSON Web Token for Java (opens in a new tab)
OWASP Authentication (opens in a new tab)
OWASP ASVS 4.0.3
V3.5.1 (opens in a new tab)
V2.8.5 (opens in a new tab)
V2.8.4 (opens in a new tab)
Attack patterns
Creating a Rogue Certification Authority Certificate (opens in a new tab)
Web Services API Signature Forgery Leveraging Hash Function Extension Weakness (opens in a new tab)
Signature Spoof (opens in a new tab)
Signature Spoofing by Misrepresentation (opens in a new tab)
Session Credential Falsification through Prediction (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

Community reviews

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Exploitation evidence

What to do

Description

AI analysisMachine-generated, updated 19 Aug 2025, 01:13 UTC

WeaknessesCWE-290

Technical details

References

Community reviews

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