CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, has been found in Cisco WebEx Meeting Server (Unified Communication Software) (affected version unknown). Affected by this issue is an unknown functionality of the component Welcome Message Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is integrity, and availability. CVE summarizes:
A vulnerability in Cisco WebEx Meeting Server could allow an unauthenticated, remote attacker to modify the welcome message of a meeting on an affected system. The vulnerability is due to insufficient security settings on meetings. An attacker could exploit this vulnerability by modifying the welcome message to a meeting. A successful exploit could allow the attacker to modify the welcome message of any known meeting. Cisco Bug IDs: CSCvf68695.
The bug was discovered 11/29/2017. The weakness was published 11/30/2017 as cisco-sa-20171129-webex3 as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2017-12363 since 08/03/2017. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 01/25/2021). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entry is available at VDB-13477.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/03/2017 🔍11/29/2017 🔍
11/29/2017 🔍
11/30/2017 🔍
11/30/2017 🔍
11/30/2017 🔍
01/25/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20171129-webex3
Researcher: Adam Willard
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-12363 (🔍)
SecurityTracker: 1039921
SecurityFocus: 102000 - Cisco WebEx Meetings Server CVE-2017-12363 Remote Security Bypass Vulnerability
See also: 🔍
Entry
Created: 11/30/2017 14:51Updated: 01/25/2021 14:11
Changes: 11/30/2017 14:51 (61), 12/11/2019 14:21 (4), 01/25/2021 14:04 (2), 01/25/2021 14:11 (1)
Complete: 🔍
Cache ID: 3:2E2:103
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