CVE-2020-15677

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

1.65% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 76.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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

2020-10-01 18:31Z6 YR AGO

Last updated

2024-08-04 13:22Z2 YR AGO

Reserved

2020-07-10

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.1

Document digest

cab47971ca5a6e51860f8819759c702047624e57e1c196d228ff522a58ee4022

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-43/x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-44/x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-42/x_refsource_MISC
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1641487x_refsource_MISC
• www.debian.orgDSA-4770https://www.debian.org/security/2020/dsa-4770vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20201016 [SECURITY] [DLA 2408-1] thunderbird security updatehttps://lists.debian.org/debian-lts-announce/2020/10/msg00020.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-202010-02https://security.gentoo.org/glsa/202010-02vendor-advisoryx_refsource_GENTOO
• lists.opensuse.orgopenSUSE-SU-2020:1780http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1785http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.htmlvendor-advisoryx_refsource_SUSE