CVE-2025-5270

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 20.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-09-30.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2025-05-27 12:29Z1 YR AGO

Last updated

2026-04-13 14:30Z6 MO AGO

Reserved

2025-05-27

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-319Cleartext Transmission of Sensitive InformationBase

Data version

5.2

Document digest

06c3ce89d98fb936bf144c569788ebaff1e928dfa677d6573b3ffaa0c8120e89

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1910298
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-42/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-45/