CVE-2020-15518 json
VeeamFSR.sys in Veeam Availability Suite before 10 and Veeam Backup & Replication before 10 has no device object DACL, which allows unprivi…
published 2020-07-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-7506
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
VeeamFSR.sys in Veeam Availability Suite before 10 and Veeam Backup & Replication before 10 has no device object DACL, which allows unprivileged users to achieve total control over filesystem I/O requests.
Patch / fix
- veeam veeam_availability_suite 10.0
- veeam veeam_backup_&_replication 10.0
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- zwclose.github.io https://zwclose.github.io/veeamon referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
zwclose.github.io
/veeamon
exploit, technical-description, third-party-advisory
Sources
- CVE List CVE-2020-15518
- NVD CVE-2020-15518
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.