Is CVE-2025-21120 in the CISA KEV catalog?

No. CVE-2025-21120 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-21120?

CVE-2025-21120 has a CVSS v3 base score of 8.3 (HIGH).

What is the EPSS score for CVE-2025-21120?

CVE-2025-21120 has an EPSS score of 0.26% (18th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-21120

HIGH

8.3

CVSS v3

NVD

Description

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.

CWE-650

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Exploit Intelligence

0.26%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

https://www.dell.com/support/kbdoc/en-us/000347698/dsa-2025-271-security-update-for-dell-avamar-and-dell-avamar-virtual-edition-multiple-vulnerabilities

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-25.