CVE-2018-18505

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

4.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Important. 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

2019-02-05 21:00Z7 YR AGO

Last updated

2024-08-05 11:08Z2 YR AGO

Reserved

2018-10-19

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

f1644c0552bc9a9a147892fe34476d34ca8eac82a6e986e49e63c72fa7852bbe

• access.redhat.comRHSA-2019:0219https://access.redhat.com/errata/RHSA-2019:0219vendor-advisoryx_refsource_REDHAT
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-01/x_refsource_CONFIRM
• usn.ubuntu.comUSN-3897-1https://usn.ubuntu.com/3897-1/vendor-advisoryx_refsource_UBUNTU
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1087565x_refsource_CONFIRM
• www.securityfocus.com106781http://www.securityfocus.com/bid/106781vdb-entryx_refsource_BID
• security.gentoo.orgGLSA-201903-04https://security.gentoo.org/glsa/201903-04vendor-advisoryx_refsource_GENTOO
• usn.ubuntu.comUSN-3874-1https://usn.ubuntu.com/3874-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2019:0269https://access.redhat.com/errata/RHSA-2019:0269vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:0218https://access.redhat.com/errata/RHSA-2019:0218vendor-advisoryx_refsource_REDHAT
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-02/x_refsource_CONFIRM
• www.debian.orgDSA-4376https://www.debian.org/security/2019/dsa-4376vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20190216 [SECURITY] [DLA 1678-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00024.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190130 [SECURITY] [DLA 1648-1] firefox-esr security updatehttps://lists.debian.org/debian-lts-announce/2019/01/msg00025.htmlmailing-listx_refsource_MLIST
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2019-03/x_refsource_CONFIRM
• www.debian.orgDSA-4392https://www.debian.org/security/2019/dsa-4392vendor-advisoryx_refsource_DEBIAN
• access.redhat.comRHSA-2019:0270https://access.redhat.com/errata/RHSA-2019:0270vendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-201904-07https://security.gentoo.org/glsa/201904-07vendor-advisoryx_refsource_GENTOO
• lists.opensuse.orgopenSUSE-SU-2019:1758http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.htmlvendor-advisoryx_refsource_SUSE