CVE-2021-37746

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

1.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 66.7% 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

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

2021-07-30 13:17Z5 YR AGO

Last updated

2024-08-04 01:30Z2 YR AGO

Reserved

2021-07-30

Assigning CNA

mitre

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

06d4343c2935ecf88f011a691768d1ab38e0a66047e73e845ef6711d1f9c3b47

• git.claws-mail.orghttps://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=ac286a71ed78429e16c612161251b9ea90ccd431x_refsource_MISC
• sylpheed.sraoss.jphttps://sylpheed.sraoss.jp/sylpheed/v3.7/sylpheed-3.7.0.tar.xzx_refsource_MISC
• claws-mail.orghttps://claws-mail.org/download.php?file=releases/claws-mail-3.18.0.tar.xzx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-a4e9c45f9ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2QNUIWASJLPUZZKWICGCEGYJZCQE7NH/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-3823463b9ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RCJXHUSYHGVBSH2ULD7HNXLM7QNRECZ6/vendor-advisoryx_refsource_FEDORA