Emby Server 4.6.4.0 on Windows SegmentId.SegmentContainer file access
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Emby Server 4.6.4.0 on Windows. The impacted element is an unknown function of the file /Videos/Id/hls/PlaylistId/SegmentId.SegmentContainer. Executing a manipulation can lead to file access. This vulnerability is tracked as CVE-2021-32833. The attack can be launched remotely. No exploit exists.
Details
A vulnerability classified as problematic was found in Emby Server 4.6.4.0 on Windows. This vulnerability affects an unknown part of the file /Videos/Id/hls/PlaylistId/SegmentId.SegmentContainer. The manipulation with an unknown input leads to a file access vulnerability. The CWE definition for the vulnerability is CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. As an impact it is known to affect confidentiality.
The weakness was disclosed 09/09/2021 as GHSL-2021-051. The advisory is shared for download at securitylab.github.com. This vulnerability was named CVE-2021-32833. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1083.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.9
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 8.6
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: File accessCWE: CWE-552 / CWE-425
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
05/12/2021 🔍09/09/2021 🔍
09/09/2021 🔍
09/12/2021 🔍
Sources
Advisory: GHSL-2021-051Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-32833 (🔍)
GCVE (CVE): GCVE-0-2021-32833
GCVE (VulDB): GCVE-100-182332
Entry
Created: 09/09/2021 16:25Updated: 09/12/2021 07:48
Changes: 09/09/2021 16:25 (57), 09/12/2021 07:42 (3), 09/12/2021 07:48 (12)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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