CVE-2021-28091

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

1.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 71.8% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:H/A:N

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

2021-06-04 14:39Z5 YR AGO

Last updated

2024-08-03 21:33Z2 YR AGO

Reserved

2021-03-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.1

Document digest

66adb26d9dca64df1e0c69d222c9cb4a40b8a7b5686371955c715894fadc00ef

• listes.entrouvert.comhttp://listes.entrouvert.com/arc/lasso/x_refsource_MISC
• git.entrouvert.orghttps://git.entrouvert.org/lasso.git/commit/?id=076a37d7f0eb74001127481da2d355683693cde9x_refsource_MISC
• git.entrouvert.orghttps://git.entrouvert.org/lasso.git/tree/NEWS?id=v2.7.0x_refsource_MISC
• www.debian.orgDSA-4926https://www.debian.org/security/2021/dsa-4926vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20210610 [SECURITY] [DLA 2684-1] lasso security updatehttps://lists.debian.org/debian-lts-announce/2021/06/msg00013.htmlmailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2021-bb3ea1e191https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SI4YAQF4VEV2KHQ6OXXZL7CJK7IZQ3EG/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-508acb1153https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSVWOHBBWLI2RB5C6TXINFEJRT4YSD3D/vendor-advisoryx_refsource_FEDORA