Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-40347 |
CWE-ID | CWE-284 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
postorius (Debian package) Operating systems & Components / Operating system package or component |
Vendor | Debian |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU56454
Risk: Low
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-40347
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in views/list.py. A remote user logged in into any account can send a specially crafted HTTP POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.
MitigationUpdate postorius package to one of the following versions: 1.2.4-1+deb10u1, 1.3.4-2+deb11u1.
Vulnerable software versionspostorius (Debian package): 1.2.2-1 - 1.3.2-2.1
External linkshttp://www.debian.org/security/2021/dsa-4970
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.