CVE-2021-20737
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker...
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to view the unauthorized pages without access privileges via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to view the unauthorized pages without access privileges via unspecified vectors.
- Record
CVE-2021-20737- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to view the unauthorized pages without access privileges via unspecified vectors.
- Record
CVE-2021-20737- Updated
- 2026-11-02
EUVDEUVD-2021-8151 No score
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to view the unauthorized pages without access privileges via unspecified vectors.
- Record
EUVD-2021-8151- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4g63-gwp6-h4r5 No score
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker...
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to view the unauthorized pages without access privileges via unspecified vectors.
- Record
GHSA-4g63-gwp6-h4r5- Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
Improper authentication vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to view the unauthorized pages without access privileges via unspecified vectors.
- Record
CVE-2021-20737- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20737 is a medium vulnerability (CVSS 6.5) in Growi, Inc. Growi, published June 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. No source names a fixed version.