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Vulnerabilities

Threat intelligence · 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.

Published Jan 28, 2022 · catalog updated Jun 17, 2026 · SuiteCRM before 7.12.3 and

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-45899. EPSS is 2.19%. Act only if a listed version of SuiteCRM before 7.12.3 and is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (SuiteCRM before 7.12.3 and).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.19%
Remediation
Version ranges on file
Affected products
cpe salesagility/suitecrm

Vulnerabilities in SuiteCRM Multiple vulnerabilities have been identified in the SuiteCRM {free and open-source Customer Relationship Management application} which could be exploited through an attacker by sending a request that submits malicious input to the targeted system. How it can be Exploited CVE-2021-45899: The remote code execution vulnerability exists in SuiteCRM due to insecure input validation when proces

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe salesagility/suitecrm8.0
  • cpe salesagility/suitecrm< 7.12.3
  • cpe salesagility/suitecrm< 8.0.2

How to fix CVE-2021-45899

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-45899. EPSS is 2.19%. Act only if a listed version of SuiteCRM before 7.12.3 and is installed.

Which versions are affected?

Compare what you have installed with 8.0, < 7.12.3, < 8.0.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 2.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

SuiteCRM security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 7, 2022 · AlienVault OTX

    Detected

    Vulnerabilities in SuiteCRM Multiple vulnerabilities have been identified in the SuiteCRM {free and open-source Customer Relationship Management application} which could be exploited through an attacker by sending a request that submits malicious input to the targeted system. How it can be Exploited CVE-2021-45899: The remote code execution vulnerability exists in SuiteCRM due to insecure input va

  2. Jun 17, 2026 · Monitored products — high

    Updated

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

Sources

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — highNov 5, 2026
  • CVE.orgNov 4, 2026
  • AlienVault OTXNov 2, 2026