Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2020-14453 CVE-2020-14452 |
CWE-ID | CWE-345 CWE-22 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Mattermost Server Client/Desktop applications / Messaging software |
Vendor | Mattermost, Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU29476
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14453
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to socket read operations are not appropriately restricted. A remote attacker can cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMattermost Server: 0.1.0 - 5.20.2
External linkshttp://mattermost.com/security-updates/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU29471
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14452
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to insufficient sanitization of user-supplied passed via HTTP. A remote attacker can send a specially crafted HTTP request containing directory traversal sequences and read contents of arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsMattermost Server: 0.1.0 - 5.20.2
External linkshttp://mattermost.com/security-updates/
http://github.com/mattermost/mmctl/commit/2be537e89bd395a85643520eb1d5c28d7a6c93cf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.