CVE-2024-7383Libnbd: nbd server improper certificate validation
- 7.4HighCVSS base score
- 0.39%Exploitation in 30 daysEPSS · top 66% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic.
Timeline
ID reserved
By redhat
- 4 days later
· 4 days later
Published
- 2 years later
· 2 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 |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Deferred | 3.1 | High7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.39% · top 66% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.
Affected products
libnbd
- affected 1.18.0 – < 1.18.5
- affected 1.20.0 – < 1.20.2
Red Hat · Red Hat Enterprise Linux 8
- unaffected 8100020240905091210.489197e6 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 8100020240905091210.489197e6 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:1.18.1-4.el9_4 – < *
Red Hat · Red Hat Enterprise Linux 10
All versions: affected
Red Hat · Red Hat Enterprise Linux 8 Advanced Virtualization
All versions: affected
References
References6
- RHSA-2024:6757 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2024:6964 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-7383 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2302865 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://lists.libguestfs.org/archives/list/[email protected]/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2 (opens in a new tab)
- https://lists.libguestfs.org/archives/list/[email protected]/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/ (opens in a new tab)
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-2024-48319 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (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-2024-7383)Record last updated .