Vulnerability in Dell Avamar
CVE-2025-21120
Dell Avamar, versions prior to 19.10 SP1 with patch 338904, contains a Trusting HTTP Permission Methods on the Server-Side vulnerability in Security. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Information exposure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.003 (20.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Dell Avamar — versions 19.4, 19.7, 19.8
- Dell Avamar Server — versions 19.8 through 19.10
- Dell Avamar Virtual Edition — versions 19.8 through 19.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.dell.com/support/kbdoc/en-us/000347698/dsa-2025-271-security-update-for-del… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-21120?
- CVE-2025-21120 is a high-severity vulnerability in Dell Avamar, classified under Trusting HTTP Permission Methods on the Server Side. CVSS score: 8.3/10. Published 2025-08-04.
- How severe is CVE-2025-21120?
- High severity. CVSS v3 base score is 8.3 out of 10.
- Is CVE-2025-21120 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.