CVE-2025-10539

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 7.4% of scored records. A rank, not a probability.

NVD base score

4.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-07.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-04-28 07:52Z6 MO AGO

Last updated

2026-04-29 19:32Z6 MO AGO

Reserved

2025-09-16

Assigning CNA

SEC-VLab

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

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

Weaknesses

• CWE-295Improper Certificate ValidationBase
• CWE-296Improper Following of a Certificate's Chain of TrustBase
• CWE-494Download of Code Without Integrity CheckBase

Data version

5.2

Document digest

a9d6fd6483037551f350a4c9686b1e286834ab50d8ba0bf1d463bf02b4bf679e

• r.sec-consult.comhttps://r.sec-consult.com/desktimethird-party-advisory
• desktime.comhttps://desktime.com/downloadpatch
• sec-consult.comhttps://sec-consult.com/vulnerability-lab/advisory/missing-tls-certificate-validation-leading-to-rce-in-desktime-time-tracking-app/exploit
• seclists.orghttp://seclists.org/fulldisclosure/2026/Apr/20
• seclists.orghttp://seclists.org/fulldisclosure/2026/Apr/21