CVE-2023-34048
VMware vCenter Server: Out-of-Bounds Write
As of , CVE-2023-34048 in VMware vCenter Server is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 22 January 2024
- US federal deadline
- 12 February 202421 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.00 on 22 January 2024EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: www.vmware.comLinks below, from CISA's entry.
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA's required action
What the flaw is
VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol that allows an attacker to conduct remote code execution.
CISA's description
vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.
The CVE record's description, from vmware
- CVE published
- 25 October 2023
- Assigned by
- vmware
- CVSS
- 9.8 Critical (CVSS 3.1, from the CNA)
- CWE-787
- Out-of-bounds Write
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
vCenter Server: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2020-3952Information Disclosure | VMware vCenter Server | Patch this weekMetasploit module; EPSS 0.90 | 0.90 | ||
| CVE-2021-21972Remote Code Execution | VMware vCenter Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-21985Improper Input Validation | VMware vCenter Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2021-22005File Upload | VMware vCenter Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2022-22948Incorrect Default File Permissions | VMware vCenter Server | Patch this weekMetasploit module | 0.13 | ||
| CVE-2024-38812Heap-Based Buffer Overflow | VMware vCenter Server | Patch this weekEPSS 0.55 | 0.55 | ||
| CVE-2021-22017Improper Access Control | VMware vCenter Server | Patch soon | 0.49 | ||
| CVE-2024-38813Privilege Escalation | VMware vCenter Server | Patch soon | 0.17 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org