Opens in a new tab
Open Nav
Sign Up

CISA Updates Known Exploited Vulnerabilities Catalog with New Entry (CVE-2023-34048)

Bar Refael

January 23, 2024

Vulnerability Summary:

  • CVE Identifier: CVE-2023-34048
  • Affected Software: VMware vCenter Server
  • Type of Vulnerability: Out-of-Bounds Write Vulnerability
  • Risk to Federal Enterprise: Significant

Context:

The Cybersecurity and Infrastructure Security Agency (CISA) has recently expanded its Known Exploited Vulnerabilities Catalog by adding CVE-2023-34048, which affects VMware vCenter Server. This update comes in the wake of verified reports of active exploitation of this vulnerability. Out-of-bounds write vulnerabilities are commonly leveraged by cyber threat actors and represent a considerable threat, particularly to federal networks.

Relevance to Federal Directives:

Under Binding Operational Directive (BOD) 22-01, which focuses on mitigating the risk of known exploited vulnerabilities, this catalog serves as a dynamic repository of Common Vulnerabilities and Exposures (CVEs) that pose a substantial threat to federal entities. BOD 22-01 mandates Federal Civilian Executive Branch (FCEB) agencies to promptly address these vulnerabilities to shield their networks from imminent cyber threats. The directive emphasizes remediation by prescribed deadlines.

Advisory for All Organizations:

While BOD 22-01 specifically targets FCEB agencies, CISA strongly advises all organizations, including those in the private sector, to prioritize the resolution of these cataloged vulnerabilities. This is a critical measure in fortifying defenses against cyberattacks and maintaining robust vulnerability management practices.

Action Items for OP Innovate Clients:

  • Immediate Assessment: Review your systems to determine if they are affected by CVE-2023-34048.
  • Patch Management: Expedite the application of available patches and updates to the affected VMware vCenter Server systems.
  • Continuous Monitoring: Remain vigilant for any updates regarding this vulnerability and potential exploitation attempts.
  • Collaboration and Reporting: Engage with industry partners and relevant authorities to share information and report any incidents related to this vulnerability.

Stay safe and informed,

OP Innovate.

Resources highlights

PHP2Shell: Critical PHP RCE Flaws Targeted in Attacks (CVE-2026-109618 & CVE-2026-109619)

Attackers are targeting two critical vulnerabilities in PHP. The vulnerabilities, collectively known as PHP2Shell are tracked as CVE-2026-109618 and CVE-2026-109619, and could allow unauthenticated attackers…

Read more >

php2shell

ConnectWise SkyKick Compromise: Attackers Hijack Trusted Microsoft 365 Applications to Access Customer Tenants

A compromised application credential belonging to ConnectWise Cloud Backup, formerly known as SkyKick, has been used in a supply chain attack targeting Microsoft 365 environments.…

Read more >

skykick_op

Ivanti CVE-2026-104935: Three Zero-Days Chained for Root Access in Active Attacks

Ivanti has released emergency security updates after attackers exploited a chain of three zero-day vulnerabilities in its Connect Secure VPN appliances to gain root-level access…

Read more >

ivanti_cve-2026-104935

GitLab CVE-2026-97229: Critical 10.0 RCE Vulnerability Puts CI/CD Servers at Risk

GitLab has released emergency security updates to address a critical vulnerability that could allow attackers to execute arbitrary code on affected servers. Tracked as CVE-2026-97229,…

Read more >

gitlab_cve-2026-97229

SonicWall CVE-2026-102255: Critical SMA1000 Vulnerability Targeted in Active Attacks

Attackers are targeting a critical vulnerability in SonicWall Secure Mobile Access (SMA) 1000 appliances, just days after the company released security updates to address the…

Read more >

sonicwall_cve-2026-102255

Atlassian CVE-2026-21589: Critical Pre-Auth File Read Affects Jira, Confluence, Bitbucket and More

Atlassian has issued an urgent security advisory for CVE-2026-21589, a critical vulnerability affecting eight of its self-hosted Data Center products, including Jira, Confluence and Bitbucket.…

Read more >

atlassian_cve-2026-21589
Under Cyber Attack?

Fill out the form and we will contact you immediately.