CVE-2021-29477

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

4.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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

2021-05-04 15:15Z5 YR AGO

Last updated

2024-08-03 22:11Z2 YR AGO

Reserved

2021-03-30

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

5cd3ef788659c9bff9490d2c21418781d05c339fc54f74a0d26e81944eb98b9c

• github.comhttps://github.com/redis/redis/security/advisories/GHSA-vqxj-26vj-996gx_refsource_CONFIRM
• redis.iohttps://redis.io/x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-3b267a756chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZJ6JGQ2ETZB2DWTQSGCOGG7EF3ILV4V/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-8b19c99d6ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BPWBIZXA67JFIB63W2CNVVILCGIC2ME5/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-916f861096https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BHWOF7CBVUGDK3AN6H3BN3VNTH2TDUZZ/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-0ad4bec5b1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SN7INTZFE34MIQJO7WDDTIY5LIBGN6GI/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-202107-20https://security.gentoo.org/glsa/202107-20vendor-advisoryx_refsource_GENTOO