CVE-2019-5544

9.8CRITICAL

Key Information:

Vendor
Vmware
Status
Esxi And Horizon Daas
Vendor
CVE Published:
6 December 2019

Badges

💰 Ransomware👾 Exploit Exists🟣 EPSS 20%🦅 CISA Reported

Summary

OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

ESXi and Horizon DaaS ESXi 6.7 prior to patch release ESXi670-201912001, ESXi 6.5 prior to patch release ESXi650-201912001, ESXi 6.0 prior to patch release ESXi600-201912001 and Horizon DaaS 8.x prior to BZ-2467224-Disable_SLPD_service_permanently_801_Hotfix.

References

http://www.vmware.com/security/advisories/VMSA-2019-0022....
x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2019/12/10/2
mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/12/11/2
mailing-listx_refsource_MLIST

EPSS Score

20% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.