Cisco Jabber on Windows Custom Protocol privileges management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Cisco Jabber on Windows. The impacted element is an unknown function of the component Custom Protocol Handler. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2020-27127. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as critical, has been found in Cisco Jabber on Windows (unknown version). Affected by this issue is an unknown code block of the component Custom Protocol Handler. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 12/11/2020 as cisco-sa-jabber-ZktzjpgO. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2020-27127. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
Upgrading eliminates this vulnerability.
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Product
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.9
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
10/13/2020 🔍12/11/2020 🔍
12/11/2020 🔍
12/16/2020 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-jabber-ZktzjpgO
Status: Confirmed
CVE: CVE-2020-27127 (🔍)
GCVE (CVE): GCVE-0-2020-27127
GCVE (VulDB): GCVE-100-166052
Entry
Created: 12/11/2020 14:49Updated: 12/16/2020 09:16
Changes: 12/11/2020 14:49 (36), 12/16/2020 09:12 (5), 12/16/2020 09:16 (21)
Complete: 🔍
Cache ID: 216::103
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