How severe is CVE-2021-45899?

CVE-2021-45899 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-2021-45899 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45899?

CVE-2021-45899 primarily affects Salesagility Suitecrm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-45899?

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-2021-45899 published?

CVE-2021-45899 was published on 2022-01-28 and last updated on 2026-06-17.

CVE-2021-45899

CVE-2021-45899 is a critical-severity vulnerability in Salesagility Suitecrm 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Salesagility Suitecrm
Published: 2022-01-28
Last modified: 2026-06-17

Description

SuiteCRM before 7.12.3 and 8.x before 8.0.2 allows PHAR deserialization that can lead to remote code execution.

Frequently asked questions

What is CVE-2021-45899?: SuiteCRM before 7.12.3 and 8.x before 8.0.2 allows PHAR deserialization that can lead to remote code execution.
How severe is CVE-2021-45899?: CVE-2021-45899 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-2021-45899 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45899?: CVE-2021-45899 primarily affects Salesagility Suitecrm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-45899?: 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-2021-45899 published?: CVE-2021-45899 was published on 2022-01-28 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:salesagility:suitecrm:*:*:*:*:*:*:*:*
cpe:2.3:a:salesagility:suitecrm:8.0:beta:*:*:*:*:*:*
cpe:2.3:a:salesagility:suitecrm:8.0:beta2:*:*:*:*:*:*
cpe:2.3:a:salesagility:suitecrm:8.0:beta3:*:*:*:*:*:*
cpe:2.3:a:salesagility:suitecrm:8.0:rc:*:*:*:*:*:*

More vulnerabilities in Salesagility Suitecrm

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CVE-2022-50589 — Critical (CVSS 9.8): SuiteCRM versions prior to 7.12.6 contain a SQL injection vulnerability within the processing of the ‘uid’…
CVE-2023-6126 — Critical (CVSS 9.8): Code Injection in GitHub repository salesagility/suitecrm prior to 7.14.2, 7.12.14, 8.4.2.
CVE-2021-45898 — Critical (CVSS 9.8): SuiteCRM before 7.12.3 and 8.x before 8.0.2 allows local file inclusion.
CVE-2020-8786 — Critical (CVSS 9.8): SuiteCRM 7.10.x versions prior to 7.10.23 and 7.11.x versions prior to 7.11.11 allow SQL Injection (issue 4 of 4).

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