CVE-2021-1627
CVE-2021-1627 is a critical-severity vulnerability in Salesforce Mule with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-918
- Affected product: Salesforce Mule
- Published:
- Last modified:
Description
MuleSoft is aware of a Server Side Request Forgery vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. This affects: Mule 3.8.x,3.9.x,4.x runtime released before February 2, 2021.
Frequently asked questions
- What is CVE-2021-1627?
- MuleSoft is aware of a Server Side Request Forgery vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. This affects: Mule 3.8.x,3.9.x,4.x runtime released before February 2, 2021.
- How severe is CVE-2021-1627?
- CVE-2021-1627 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-1627 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-1627?
- CVE-2021-1627 affects Salesforce Mule. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-1627?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-1627 published?
- CVE-2021-1627 was published on 2021-03-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:salesforce:mule:*:*:*:*:*:*:*:*
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