Cyber Resilience

CVE-2023-2747

Silabs Gecko Software Development Kit 2.0.0 – 2.2.1

Published
15 June 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 3.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS Score 0.0016 6th percentile
Risk Priority 25 floored blend · peak EPSS

Summary

CVE-2023-2747 is a low-severity IV (CWE-1204) vulnerability in Silabs Gecko Software Development Kit. Its CVSS base score is 3.1 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Weaken Encryption (T1600); ranked at the 6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.

CWE(s)
CWE-1204CWE-908

Related Threats

MITRE ATT&CK Enterprise Techniques

T1600 Weaken Encryption Defense Impairment
Adversaries may compromise a network device’s encryption capability in order to bypass encryption that would otherwise protect data communications.
attack.mitre.org →
T1003 OS Credential Dumping Credential Access
Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password.
attack.mitre.org →
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
attack.mitre.org →
T1552 Unsecured Credentials Credential Access
Adversaries may search compromised systems to find and obtain insecurely stored credentials.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-3488Same product: Silabs Gecko Software Development Kit
CVE-2023-32096Same product: Silabs Gecko Software Development Kit
CVE-2023-32100Same product: Silabs Gecko Software Development Kit
CVE-2023-2481Same product: Silabs Gecko Software Development Kit
CVE-2023-0965Same product: Silabs Gecko Software Development Kit
CVE-2023-1132Same product: Silabs Gecko Software Development Kit
CVE-2023-32099Same product: Silabs Gecko Software Development Kit
CVE-2023-32098Same product: Silabs Gecko Software Development Kit
CVE-2023-32097Same product: Silabs Gecko Software Development Kit
CVE-2024-22473Same product: Silabs Gecko Software Development Kit

Affected Assets

silabs
gecko software development kit
2.0.0 — 2.2.1

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 6 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V11.6.1

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.PS-06 mostly match
prevents

Secure SDLC practices directly include correct implementation of cryptographic primitives such as IV handling.

PR.DS-01 partial match
prevents

Proper encryption of data-at-rest requires cryptographically sound IV generation.

PR.DS-02 partial match
prevents

Proper encryption of data-in-transit requires cryptographically sound IV generation.

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.

A.8.24 Use of cryptography mostly match
prevents

Mandates correct use of cryptography, directly requiring strong, unpredictable IV generation for primitives that need it.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development can detect use of static or predictable IVs before release.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC processes can embed cryptographic standards and reviews that catch weak IV generation.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify cryptographic standards including IV uniqueness and unpredictability.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure system architecture and engineering principles include defensive coding practices that prevent use of uninitialized memory or objects.

A.8.28 Secure coding partial match
prevents

Requires secure coding practices that include proper cryptographic API usage and IV handling.

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` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (1 rule)
  • V-248524 OL 8 must implement NIST FIPS-validated cryptography for the following: To provision digital signatures, to generate cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-1204
RHEL 7 (1 rule)
  • V-204497 The Red Hat Enterprise Linux operating system must implement NIST FIPS-validated cryptography for the following: to provision digital signatures, to generate cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-1204
RHEL 8 (1 rule)
  • V-230223 RHEL 8 must implement NIST FIPS-validated cryptography for the following: To provision digital signatures, to generate cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-1204

References