CVE-2020-13121
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid...
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
- Record
CVE-2020-13121- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
CVE List No score
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
- Record
CVE-2020-13121- Updated
- 2026-11-02
EUVDEUVD-2020-5397 No score
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
- Record
EUVD-2020-5397- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8458-39qw-vw27 No score
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid...
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
- Record
GHSA-8458-39qw-vw27- Updated
- 2026-11-02
OSV
Submitty through 20.04.01 has an open redirect via authentication/login?old= during an invalid login attempt.
- Record
CVE-2020-13121- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Submitty <= 20.04.01 - Open Redirect |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13121 is a medium vulnerability (CVSS 6.1) in Rcos Submitty, published May 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.93%, the 87th percentile. No source names a fixed version.