CVE-2021-3578

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

1.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 63.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2022-02-16 18:35Z4 YR AGO

Last updated

2024-08-03 17:01Z2 YR AGO

Reserved

2021-06-03

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-704Incorrect Type Conversion or CastClass

Data version

5.1

Document digest

29e81ec6841dbaa293371e64a1fe88cb1e68d3736eb9008e451df6a9249fcbb6

• www.openwall.com[oss-security] 20210607 CVE-2021-3578: possible remote code execution in isync/mbsynchttp://www.openwall.com/lists/oss-security/2021/06/07/1mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2021-f236f9f01ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U75UFEWRAZYKVL5NHMPBUOLWN3WXTOEI/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-754af4d52bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPIDLIJKNRJHUVBCL7QGAPAAVPIHQGXK/vendor-advisoryx_refsource_FEDORA
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1961710x_refsource_MISC
• github.bloghttps://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/x_refsource_MISC
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1967397x_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2021/06/07/1x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20220701 [SECURITY] [DLA 3066-1] isync security updatehttps://lists.debian.org/debian-lts-announce/2022/07/msg00001.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-202208-15https://security.gentoo.org/glsa/202208-15vendor-advisoryx_refsource_GENTOO