Vulnerability Details : CVE-2021-1502
A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and Cisco Webex Player for Windows and MacOS could allow an attacker to execute arbitrary code on an affected system. The vulnerability is due to insufficient validation of values within Webex recording files formatted as either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit the vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.
Vulnerability category: OverflowExecute code
Products affected by CVE-2021-1502
- cpe:2.3:a:cisco:webex_meetings_server:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:webex_network_recording_player:*:*:*:*:*:windows:*:*
- cpe:2.3:a:cisco:webex_network_recording_player:*:*:*:*:*:macos:*:*
- cpe:2.3:a:cisco:webex_network_recording_player:-:*:*:*:*:windows:*:*
- cpe:2.3:a:cisco:webex_meetings_online:-:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:webex_teams:3.0.15485.0:*:*:*:*:windows:*:*
- cpe:2.3:a:cisco:webex_meetings_desktop:-:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-1502
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1502
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Cisco Systems, Inc. | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-1502
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: ykramarz@cisco.com (Primary)
References for CVE-2021-1502
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-dOJ2jOJ
Cisco Webex Network Recording Player and Webex Player Memory Corruption VulnerabilityVendor Advisory
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