CVE-2020-6831

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

5.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 92.5% of scored records. A rank, not a probability.

NVD base score

9.8 (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: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

2020-05-26 17:05Z6 YR AGO

Last updated

2024-08-04 09:11Z2 YR AGO

Reserved

2020-01-10

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

109fe39c4bda0f6262063f03da968170dabab40bd20f69542a4b59e7de6fb709

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-18/x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-16/x_refsource_MISC
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-17/x_refsource_MISC
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1632241x_refsource_MISC
• usn.ubuntu.comUSN-4373-1https://usn.ubuntu.com/4373-1/vendor-advisoryx_refsource_UBUNTU
• security.gentoo.orghttps://security.gentoo.org/glsa/202005-03x_refsource_MISC
• security.gentoo.orghttps://security.gentoo.org/glsa/202005-04x_refsource_MISC
• www.debian.orgDSA-4714https://www.debian.org/security/2020/dsa-4714vendor-advisoryx_refsource_DEBIAN
• lists.opensuse.orgopenSUSE-SU-2020:0917http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.htmlvendor-advisoryx_refsource_SUSE
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.htmlx_refsource_MISC