How severe is CVE-2025-35436?

CVE-2025-35436 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-35436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-35436?

CVE-2025-35436 affects Cisa Thorium. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-35436?

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

Does CVE-2025-35436 have an EU (EUVD) identifier?

Yes. CVE-2025-35436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29732.

When was CVE-2025-35436 published?

CVE-2025-35436 was published on 2025-09-17 and last updated on 2026-06-17.

CVE-2025-35436

CVE-2025-35436 is a medium-severity vulnerability in Cisa Thorium with a CVSS 3.x base score of 5.3. 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-248.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29732
Weakness: CWE-248
Affected product: Cisa Thorium
Published: 2025-09-17
Last modified: 2026-06-17

Description

CISA Thorium uses '.unwrap()' to handle errors related to account verification email messages. An unauthenticated remote attacker could cause a crash by providing a specially crafted email address or response. Fixed in commit 6a65a27.

Frequently asked questions

What is CVE-2025-35436?: CISA Thorium uses '.unwrap()' to handle errors related to account verification email messages. An unauthenticated remote attacker could cause a crash by providing a specially crafted email address or response. Fixed in commit 6a65a27.
How severe is CVE-2025-35436?: CVE-2025-35436 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-35436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-35436?: CVE-2025-35436 affects Cisa Thorium. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-35436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-35436 have an EU (EUVD) identifier?: Yes. CVE-2025-35436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29732.
When was CVE-2025-35436 published?: CVE-2025-35436 was published on 2025-09-17 and last updated on 2026-06-17.

References

Affected products (1)

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

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