Is CVE-2025-34155 in the CISA KEV catalog?

No. CVE-2025-34155 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2025-34155?

CVE-2025-34155 has an EPSS score of 0.64% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-34155?

No published fix for CVE-2025-34155 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-34155

UNSCORED

NVD

Description

Tibbo AggreGate Network Manager < 6.40.05 contains an observable response discrepancy in its login functionality. Authentication failure messages differ based on whether a supplied username exists or not, allowing an unauthenticated remote attacker to infer valid account identifiers. This can facilitate user enumeration and increase the likelihood of targeted brute-force or credential-stuffing attacks.

CWE-204

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.64%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-204 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-41697	Medium	5.3	20%	-	-
CVE-2016-9499	Medium	5.3	7.8%	-	Fix
CVE-2019-19030	Medium	5.3	1.9%	-	Fix
CVE-2022-0564	Medium	5.3	1.4%	-	Fix
CVE-2021-20049	High	7.5	1.3%	-	Fix
CVE-2021-39189	Medium	5.3	1.3%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.