Cisco Expressway/TelePresence Video Communication Server Administrative Web Interface signature verification

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.5 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Cisco Expressway and TelePresence Video Communication Server. Affected by this vulnerability is an unknown functionality of the component Administrative Web Interface. The manipulation leads to signature verification. This vulnerability is referenced as CVE-2021-34715. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Cisco Expressway and TelePresence Video Communication Server (Unified Communication Software) (the affected version is unknown). It has been rated as critical. This issue affects an unknown code of the component Administrative Web Interface. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability.
The weakness was published 08/19/2021 as cisco-sa-ewver-c6WZPXRx. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2021-34715. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
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: 4.7VulDB Meta Temp Score: 4.5
VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: Signature verificationCWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/15/2021 🔍08/19/2021 🔍
08/19/2021 🔍
08/21/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-ewver-c6WZPXRx
Status: Confirmed
CVE: CVE-2021-34715 (🔍)
GCVE (CVE): GCVE-0-2021-34715
GCVE (VulDB): GCVE-100-181115
Entry
Created: 08/19/2021 06:47Updated: 08/21/2021 10:13
Changes: 08/19/2021 06:47 (38), 08/21/2021 10:07 (2), 08/21/2021 10:13 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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