Dell Avamar up to 19.10 SP1 AUI operation after expiration

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $5k-$25k | 0.00 |
Summary
A vulnerability has been found in Dell Avamar up to 19.10 SP1 and classified as critical. This affects an unknown function of the component AUI. The manipulation leads to operation after expiration. This vulnerability is documented as CVE-2025-21117. The attack needs to be performed locally. There is not any exploit available.
Details
A vulnerability was found in Dell Avamar up to 19.10 SP1. It has been rated as critical. This issue affects an unknown part of the component AUI. The manipulation with an unknown input leads to a operation after expiration vulnerability. Using CWE to declare the problem leads to CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
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.
It is possible to read the advisory at dell.com. The identification of this vulnerability is CVE-2025-21117 since 11/23/2024. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/28/2025).
The vulnerability scanner Nessus provides a plugin with the ID 216271 (Dell Avamar / AVE < 19.12 privilege elevation (DSA-2025-071)), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (216271). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.dell.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 6.6
CNA Vector (dell): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Operation after expirationCWE: CWE-672
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 216271
Nessus Name: Dell Avamar / AVE < 19.12 privilege elevation (DSA-2025-071)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/23/2024 🔍02/05/2025 🔍
02/05/2025 🔍
03/28/2025 🔍
Sources
Vendor: dell.comAdvisory: dsa-2025-071
Status: Confirmed
CVE: CVE-2025-21117 (🔍)
GCVE (CVE): GCVE-0-2025-21117
GCVE (VulDB): GCVE-100-294731
Entry
Created: 02/05/2025 16:05Updated: 03/28/2025 15:12
Changes: 02/05/2025 16:05 (62), 02/15/2025 00:46 (2), 03/28/2025 15:12 (12)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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