CVE-2020-9690
Magento observable timing discrepancy vulnerability
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
CVE-2020-9690- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
CVE List No score
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
CVE-2020-9690- Updated
- 2026-11-02
EUVDEUVD-2022-5786 No score
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
EUVD-2022-5786- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgp9-j48h-jjf9
Magento observable timing discrepancy vulnerability
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
GHSA-xgp9-j48h-jjf9- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
OSV
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
CVE-2020-9690- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-xgp9-j48h-jjf9
Magento observable timing discrepancy vulnerability
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
GHSA-xgp9-j48h-jjf9- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
OSVBIT-magento-2020-9690 No score
Magento versions 2.3.5 and earlier, and 2.3.5 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- Record
BIT-magento-2020-9690- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
magento/community-editionPackagist |
before 2.3.5-p2 | 2.3.5-p2 |
magentoBitnami |
before 2.3.5 | 2.3.5 |
magento/community-editionPackagist |
before 2.3.5-p2, plus listed versions 0.1.0-alpha1000.1.0-alpha1010.1.0-alpha1020.1.0-alpha1030.1.0-alpha104 Show 45 moreShow less0.1.0-alpha1050.1.0-alpha1060.1.0-alpha1070.1.0-alpha1080.1.0-alpha890.1.0-alpha900.1.0-alpha910.1.0-alpha920.1.0-alpha930.1.0-alpha940.1.0-alpha950.1.0-alpha960.1.0-alpha970.1.0-alpha980.1.0-alpha990.42.0-beta10.42.0-beta100.42.0-beta110.42.0-beta20.42.0-beta30.42.0-beta40.42.0-beta50.42.0-beta60.42.0-beta70.42.0-beta80.42.0-beta90.74.0-beta10.74.0-beta100.74.0-beta110.74.0-beta120.74.0-beta130.74.0-beta140.74.0-beta150.74.0-beta160.74.0-beta20.74.0-beta30.74.0-beta40.74.0-beta50.74.0-beta60.74.0-beta70.74.0-beta80.74.0-beta91.0.0-beta1.0.0-beta21.0.0-beta3 |
2.3.5-p2 |
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-2020-9690 is a medium vulnerability (CVSS 4.2) in Adobe Magento, published July 29, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. Fixed in magento/community-edition 2.3.5-p2.
References
Left out here: 68 versions. The JSON record has them.