CVE-2018-12397

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 29.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. 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

2019-02-28 18:00Z7 YR AGO

Last updated

2024-08-05 08:30Z2 YR AGO

Reserved

2018-06-14

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
• CWE-862Missing AuthorizationClass

Data version

5.1

Document digest

5db70875acca033f184eb2952ab8ae75b136e69e95bae3266b50d3ea5aa1df72

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1487478x_refsource_CONFIRM
• www.debian.orgDSA-4324https://www.debian.org/security/2018/dsa-4324vendor-advisoryx_refsource_DEBIAN
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-26/x_refsource_CONFIRM
• security.gentoo.orgGLSA-201811-04https://security.gentoo.org/glsa/201811-04vendor-advisoryx_refsource_GENTOO
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2018-27/x_refsource_CONFIRM
• access.redhat.comRHSA-2018:3005https://access.redhat.com/errata/RHSA-2018:3005vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com105718http://www.securityfocus.com/bid/105718vdb-entryx_refsource_BID
• access.redhat.comRHSA-2018:3006https://access.redhat.com/errata/RHSA-2018:3006vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3801-1https://usn.ubuntu.com/3801-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20181107 [SECURITY] [DLA 1571-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlmailing-listx_refsource_MLIST
• www.securitytracker.com1041944http://www.securitytracker.com/id/1041944vdb-entryx_refsource_SECTRACK