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CVE-2015-7764
Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.
- 7.5HighCVSS base score
- 1.5%Exploitation in 30 daysEPSS · top 25% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.
Timeline
ID reserved
By mitre
- 22 months later
· 22 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.5% · top 25% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References
3
- https://github.com/Netflix/lemur/issues/117 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20151020 Re: CVE request for sqlalchemy-utils (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://github.com/kvesteri/sqlalchemy-utils/issues/166 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-0069 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-chg9-3c3p-ch23 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-7764)Record last updated .