How severe is CVE-2025-35431?

CVE-2025-35431 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-35431 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-35431?

CVE-2025-35431 affects Cisa Thorium. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-35431?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-35431 have an EU (EUVD) identifier?

Yes. CVE-2025-35431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29737.

When was CVE-2025-35431 published?

CVE-2025-35431 was published on 2025-09-17 and last updated on 2026-06-17.

CVE-2025-35431

CVE-2025-35431 is a medium-severity vulnerability in Cisa Thorium with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-90.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 5.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29737
Weakness: CWE-90
Affected product: Cisa Thorium
Published: 2025-09-17
Last modified: 2026-06-17

Description

CISA Thorium does not escape user controlled strings used in LDAP queries. An authenticated remote attacker can modify LDAP authorization data such as group memberships. Fixed in 1.1.1.

Frequently asked questions

What is CVE-2025-35431?: CISA Thorium does not escape user controlled strings used in LDAP queries. An authenticated remote attacker can modify LDAP authorization data such as group memberships. Fixed in 1.1.1.
How severe is CVE-2025-35431?: CVE-2025-35431 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-35431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-35431?: CVE-2025-35431 affects Cisa Thorium. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-35431?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-35431 have an EU (EUVD) identifier?: Yes. CVE-2025-35431 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29737.
When was CVE-2025-35431 published?: CVE-2025-35431 was published on 2025-09-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisa:thorium:*:*:*:*:*:*:*:*

More vulnerabilities in Cisa Thorium

CVE-2025-35436 — Medium (CVSS 5.3): CISA Thorium uses '.unwrap()' to handle errors related to account verification email messages. An unauthenticated…
CVE-2025-35432 — Medium (CVSS 5.3): CISA Thorium does not rate limit requests to send account verification email messages. A remote unauthenticated…
CVE-2025-35433 — Medium (CVSS 5.0): CISA Thorium does not properly invalidate previously used tokens when resetting passwords. An attacker that possesses a…
CVE-2025-35430 — Medium (CVSS 5.0): CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and…
CVE-2025-35435 — Medium (CVSS 4.3): CISA Thorium accepts a stream split size of zero then divides by this value. A remote, authenticated attacker could…
CVE-2025-35434 — Medium (CVSS 4.2): CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with…

All CVEs affecting Cisa Thorium →

Other CWE-90 (LDAP Injection) vulnerabilities

CVE-2026-44930 — Critical (CVSS 9.8): An LDAP injection vulnerability in the LDAP Certificate repository of the XKMS server in Apache CXF may allow an…
CVE-2026-25560 — Critical (CVSS 9.8): WeKan versions prior to 8.19 contain an LDAP filter injection vulnerability in LDAP authentication. User-supplied…
CVE-2024-54852 — Critical (CVSS 9.8): When LDAP connection is activated in Teedy versions between 1.9 to 1.12, the username field of the login form is…
CVE-2024-33868 — Critical (CVSS 9.8): An issue was discovered in linqi before 1.4.0.1 on Windows. There is LDAP injection.
CVE-2011-4069 — Critical (CVSS 9.8): html/admin/login.php in PacketFence before 3.0.2 allows remote attackers to conduct LDAP injection attacks and…
CVE-2017-14596 — Critical (CVSS 9.8): In Joomla! before 3.8.0, inadequate escaping in the LDAP authentication plugin can result in a disclosure of a username…

Browse all CWE-90 (LDAP Injection) vulnerabilities →