VulnerabilityModified
CVE-2021-28091
Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.
HIGH 7.5EPSS 1.38%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.38% probability · 72th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- entrouvert/lasso · debian/debian linux · fedoraproject/fedora
- Source
- cve@mitre.org
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://listes.entrouvert.com/arc/lasso/Product
- https://git.entrouvert.org/lasso.git/commit/?id=076a37d7f0eb74001127481da2d355683693cde9Patch, Vendor Advisory
- https://git.entrouvert.org/lasso.git/tree/NEWS?id=v2.7.0Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00013.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SI4YAQF4VEV2KHQ6OXXZL7CJK7IZQ3EG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSVWOHBBWLI2RB5C6TXINFEJRT4YSD3D/
- https://www.debian.org/security/2021/dsa-4926Third Party Advisory
- http://listes.entrouvert.com/arc/lasso/Product
- https://git.entrouvert.org/lasso.git/commit/?id=076a37d7f0eb74001127481da2d355683693cde9Patch, Vendor Advisory
- https://git.entrouvert.org/lasso.git/tree/NEWS?id=v2.7.0Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00013.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SI4YAQF4VEV2KHQ6OXXZL7CJK7IZQ3EG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSVWOHBBWLI2RB5C6TXINFEJRT4YSD3D/
- https://www.debian.org/security/2021/dsa-4926Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.