Authentication bypass in Dell PowerProtect Data Domain RestAPI
CVE-2025-43727 is an authentication bypass vulnerability in the RestAPI component of Dell PowerProtect Data Domain running Data Domain Operating System (DD OS). According to the provided content, the flaw is caused by an incorrect implementation of authentication algorithms, resulting in improper validation of authentication material in the API layer. An unauthenticated remote attacker can send crafted API requests to bypass authentication checks and gain unauthorized access. Affected versions are DD OS Feature Release 7.7.1.0 through 8.1.0.10, LTS2024 7.13.1.0 through 7.13.1.25, and LTS2023 7.10.1.0 through 7.10.1.50.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authentication bypass vulnerability in the RestAPI component of Dell PowerProtect Data Domain.
An authentication bypass vulnerability in the RestAPI component of Dell PowerProtect Data Domain Operating System (DD OS) that can allow unauthenticated remote attackers with network access to bypass authentication and access sensitive management functions and potentially backup data.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.