CVE-2025-29987: Dell DD OS 8.3 · Insufficient Granularity of Access Control
Affects Dell DD OS 8.3Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Apr 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Dell DD OS 8.3 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-29987, organizations should: 1) Immediately plan to upgrade affected Dell DD OS versions to 8.3.0.15 or later once patches are released by Dell. 2) Restrict access to Dell PowerProtect Data Domain management interfaces to trusted networks and enforce strong authentication mechanisms, including multi-factor authentication where possible. 3) Implement network segmentation to isolate backup systems from general user networks and limit exposure to trusted clients only. 4) Regularly audit user accounts and privileges on DD OS to ensure the principle of least privilege is enforced, removing unnecessary or outdated accounts. 5) Monitor system logs and network traffic for unusual activities indicative of privilege escalation or command execution attempts. 6) Employ intrusion detection and prevention systems tailored to detect anomalous behavior on backup infrastructure. 7) Develop and test incident response plans specifically addressing potential compromise of backup systems to minimize downtime and data loss.
Description
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) versions prior to 8.3.0.15 contain an Insufficient Granularity of Access Control vulnerability. An authenticated user from a trusted remote client could exploit this vulnerability to execute arbitrary commands with root privileges.