Security Resilience

CVE-2023-28219

Microsoft Windows Server 2008 r2

Published
11 April 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 8.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.15 97th percentile
Risk Priority 71 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-28219 is a high-severity Sensitive Data Storage in Improperly Locked Memory (CWE-591) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Steganography (T1001.002); ranked in the top 3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2023-28219 is a remote code execution vulnerability in the Layer 2 Tunneling Protocol, carrying a CVSS 3.1 score of 8.1 with network attack vector, high attack complexity, and no requirements for privileges or user interaction. The flaw affects the L2TP implementation and is tracked under CWE-591.

An unauthenticated remote attacker can exploit the issue over the network to achieve arbitrary code execution with full impact on confidentiality, integrity, and availability, although successful exploitation requires conditions that elevate attack complexity.

Microsoft Security Response Center advisories at the referenced URLs describe available security updates that address the vulnerability and recommend applying the patches through standard Windows update channels.

EPSS for the CVE rose from a low baseline to a recorded peak of 0.0978 before settling at the current value of 0.0673, indicating emerging post-disclosure exploitation interest that warrants renewed attention.

EU & UK References

Vulnerability Data

Layer 2 Tunneling Protocol Remote Code Execution Vulnerability

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001.002 Steganography Command And Control
Adversaries may use steganographic techniques to hide command and control traffic to make detection efforts more difficult.
T1003.002 Security Account Manager Credential Access
Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.
T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
T1010 Application Window Discovery Discovery
Adversaries may attempt to get a listing of open application windows.
T1011.001 Exfiltration Over Bluetooth Exfiltration
Adversaries may attempt to exfiltrate data over Bluetooth rather than the command and control channel.
T1012 Query Registry Discovery
Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-23414Same product: Microsoft Windows 10 1507
CVE-2023-28238Same product: Microsoft Windows 10 1507
CVE-2023-28229Same product: Microsoft Windows 10 1507
CVE-2023-28220Same product: Microsoft Windows 10 1507
CVE-2023-28224Same product: Microsoft Windows 10 1507
CVE-2023-35340Same product: Microsoft Windows 10 1507
CVE-2023-28283Same product: Microsoft Windows 10 1507
CVE-2023-28236Same product: Microsoft Windows 10 1507
CVE-2023-36005Same product: Microsoft Windows 10 1507
CVE-2023-24946Same product: Microsoft Windows 10 1507

Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.19869
microsoft
windows 10 1607
≤ 10.0.14393.5850
microsoft
windows 10 1809
≤ 10.0.17763.4252
microsoft
windows 10 20h2
≤ 10.0.19042.2846
microsoft
windows 10 21h2
≤ 10.0.19044.2846
microsoft
windows 10 22h2
≤ 10.0.19045.2846
microsoft
windows 11 21h2
≤ 10.0.22000.1817
microsoft
windows 11 22h2
≤ 10.0.22621.1555
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+3 more product configuration(s) — see NVD for full list

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 1 hardening rule · 1 OS baseline
Validate
Prove the fix (OWASP ASVS)

—

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.DS-01 partial match
blocks

PR.DS-01 encryption of data-at-rest can protect swapped pages but does not stop improper memory locking, addressing only one exposure facet of the weakness.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

degrades

Cryptographic controls can reduce exposure of sensitive data even if it is paged, but do not directly enforce memory locking.

prevents

Secure-coding standards can mandate use of locked-memory APIs, directly preventing the weakness.

finds

Security testing can discover unlocked sensitive buffers, but does not itself implement the locking mechanism.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (higher-evidence rows only; rows rated `none` are excluded).

Oracle Linux 8 (1 rule)
  • V-248525 All OL 8 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at-rest protection. blocks CWE-591

References