| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Apple macOS. The affected element is an unknown function of the component subversion. Performing a manipulation results in an unknown weakness. This vulnerability was named CVE-2021-28544. There is no available exploit. It is recommended to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Apple macOS (Operating System) (version now known). This affects some unknown processing of the component subversion. The impact remains unknown.
The weakness was presented 07/20/2022 by Evgeny Kotkov as HT213345 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2021-28544. The technical details are unknown and an exploit is not publicly available. The advisory points out:
Multiple issues in subversion
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
Multiple issues were addressed by updating subversion.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2022-0778). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Apple macOS
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Privilege escalationCWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/16/2021 🔍07/20/2022 🔍
07/20/2022 🔍
07/22/2022 🔍
10/21/2025 🔍
Sources
Vendor: apple.comAdvisory: HT213345
Researcher: Evgeny Kotkov
Status: Confirmed
CVE: CVE-2021-28544 (🔍)
GCVE (CVE): GCVE-0-2021-28544
GCVE (VulDB): GCVE-100-204903
CERT Bund: WID-SEC-2022-0778 - Apple macOS: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 07/22/2022 13:02Updated: 10/21/2025 10:44
Changes: 07/22/2022 13:02 (17), 07/22/2022 13:05 (27), 08/20/2022 10:16 (2), 10/21/2025 10:44 (20)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.

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