CVE-2021-1626
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule...
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.
- Record
CVE-2021-1626- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.
- Record
CVE-2021-1626- Updated
- 2026-11-02
EUVDEUVD-2021-7093 No score
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.
- Record
EUVD-2021-7093- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mjff-hx99-hm9w No score
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule...
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.
- Record
GHSA-mjff-hx99-hm9w- Updated
- 2026-11-02
OSV
MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.
- Record
CVE-2021-1626- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - 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-2021-1626 is a critical vulnerability (CVSS 9.8) in Salesforce Mule, published March 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. No source names a fixed version.