CVE-2021-45379
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user...
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
CVE-2021-45379- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
CVE-2021-45379- Updated
- 2026-11-02
EUVDEUVD-2021-32152 No score
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
EUVD-2021-32152- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9hmj-m2q2-x92g
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user...
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
GHSA-9hmj-m2q2-x92g- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
CVE-2021-45379- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-45379
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
DEBIAN-CVE-2021-45379- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-45379
Glewlwyd 2.0.0, fixed in 2.6.1 is affected by an incorrect access control vulnerability. One user can attempt to log in as another user without its password.
- Record
UBUNTU-CVE-2021-45379- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
glewlwydDebian:12 |
before 2.6.1-1 | 2.6.1-1 |
glewlwydDebian:13 |
before 2.6.1-1 | 2.6.1-1 |
glewlwydUbuntu:18.04:LTS |
All versions, plus listed versions 1.1-2ubuntu11.2.2-11.3.1-1 |
None known |
glewlwydUbuntu:20.04:LTS |
All versions, plus listed versions 1.4.9-21.4.9-3 |
None known |
glewlwydUbuntu:22.04:LTS |
All versions, plus listed versions 2.5.2-32.6.1-12.6.1-1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45379 is a high vulnerability (CVSS 8.8) in Glewlwyd Project Glewlwyd, published December 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in glewlwyd 2.6.1-1.
References
github.com/babelouest/glewlwyd/commit/125281f1c0d4b6a8b49f7e55a757205a2ef01fbe
nvd.nist.gov/vuln/detail/CVE-2021-45379
security-tracker.debian.org/tracker/CVE-2021-45379
ubuntu.com/security/CVE-2021-45379
cve.org/CVERecord?id=CVE-2021-45379