Vulnerability in Entrouvert Lasso
CVE-2021-28091
Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Entrouvert Lasso
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- listes.entrouvert.com/arc/lasso/ (Product)
- git.entrouvert.org/lasso.git/commit/ (Patch, Vendor Advisory)
- git.entrouvert.org/lasso.git/tree/NEWS (Release Notes, Vendor Advisory)
- www.debian.org/security/2021/dsa-4926 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/06/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-28091?
- CVE-2021-28091 is a high-severity vulnerability in Entrouvert Lasso, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2021-06-04.
- How severe is CVE-2021-28091?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-28091 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.