How severe is CVE-2025-21117?

CVE-2025-21117 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-21117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21117?

CVE-2025-21117 primarily affects Dell Avamar Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-21117?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-21117 have an EU (EUVD) identifier?

Yes. CVE-2025-21117 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2227.

When was CVE-2025-21117 published?

CVE-2025-21117 was published on 2025-02-05 and last updated on 2026-06-17.

CVE-2025-21117

CVE-2025-21117 is a medium-severity vulnerability in Dell Avamar Server with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-672.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2227
Weakness: CWE-672
Affected product: Dell Avamar Server
Published: 2025-02-05
Last modified: 2026-06-17

Description

Dell Avamar, version 19.4 or later, contains an access token reuse vulnerability in the AUI. A low privileged local attacker could potentially exploit this vulnerability, leading to fully impersonating the user.

Frequently asked questions

What is CVE-2025-21117?: Dell Avamar, version 19.4 or later, contains an access token reuse vulnerability in the AUI. A low privileged local attacker could potentially exploit this vulnerability, leading to fully impersonating the user.
How severe is CVE-2025-21117?: CVE-2025-21117 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-21117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21117?: CVE-2025-21117 primarily affects Dell Avamar Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-21117?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21117 have an EU (EUVD) identifier?: Yes. CVE-2025-21117 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2227.
When was CVE-2025-21117 published?: CVE-2025-21117 was published on 2025-02-05 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000281275/dsa-2025-071-security-update-for-dell-avamar-for-multiple-component-vulnerabilities

Affected products (6)

cpe:2.3:a:dell:avamar_server:19.4:*:*:*:*:*:*:*
cpe:2.3:a:dell:avamar_server:19.7:*:*:*:*:*:*:*
cpe:2.3:a:dell:avamar_server:19.8:*:*:*:*:*:*:*
cpe:2.3:a:dell:avamar_server:19.9:*:*:*:*:*:*:*
cpe:2.3:a:dell:avamar_server:19.10:-:*:*:*:*:*:*
cpe:2.3:a:dell:avamar_server:19.10:sp1:*:*:*:*:*:*

More vulnerabilities in Dell Avamar Server

CVE-2024-47484 — High (CVSS 8.2): Dell Avamar, versions prior to 19.12 with patch 338905, excluding 19.10 and 19.10SP1 with patch 338869, contains an…
CVE-2024-52538 — High (CVSS 7.6): Dell Avamar, versions prior to 19.12 with patch 338905, excluding 19.10 and 19.10SP1 with patch 338869, contains an…
CVE-2024-47977 — High (CVSS 7.1): Dell Avamar, versions prior to 19.12 with patch 338905, excluding 19.10 and 19.10SP1 with patch 338869, contains an…

All CVEs affecting Dell Avamar Server →

Other CWE-672 (Operation on a Resource after Expiration or Release) vulnerabilities

CVE-2023-41094 — Critical (CVSS 10.0): TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing…
CVE-2020-24030 — Critical (CVSS 9.8): ForLogic Qualiex v1 and v3 has weak token expiration. This allows remote unauthenticated privilege escalation and…
CVE-2020-12043 — Critical (CVSS 9.8): The Baxter Spectrum WBM (v17, v20D29, v20D30, v20D31, and v22D24) when configured for wireless networking the FTP…
CVE-2019-17638 — Critical (CVSS 9.4): In Eclipse Jetty, versions 9.4.27.v20200227 to 9.4.29.v20200521, in case of too large response headers, Jetty throws an…
CVE-2013-10075 — Critical (CVSS 9.1): Apache::Session versions through 1.94 for Perl re-creates deleted sessions. The session stores…
CVE-2022-22755 — High (CVSS 8.8): By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute…

Browse all CWE-672 (Operation on a Resource after Expiration or Release) vulnerabilities →