CVE-2020-11821
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding,...
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding, base64 encoding, and hashing. Thus, an attacker can easily apply brute force on them.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding, base64 encoding, and hashing. Thus, an attacker can easily apply brute force on them.
- Record
CVE-2020-11821- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
CVE List No score
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding, base64 encoding, and hashing. Thus, an attacker can easily apply brute force on them.
- Record
CVE-2020-11821- Updated
- 2026-11-02
EUVDEUVD-2020-4163 No score
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding, base64 encoding, and hashing. Thus, an attacker can easily apply brute force on them.
- Record
EUVD-2020-4163- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7mvq-97q9-r9gg No score
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding,...
In Rukovoditel 2.5.2, users' passwords and usernames are stored in a cookie with URL encoding, base64 encoding, and hashing. Thus, an attacker can easily apply brute force on them.
- Record
GHSA-7mvq-97q9-r9gg- Weakness
- CWE-312
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11821 is a medium vulnerability (CVSS 5.3) in Rukovoditel, published April 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.10%, the 65th percentile. No source names a fixed version.
