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CVE-2023-21492 (GCVE-0-2023-21492)

Vulnerability from cvelistv5 – Published: 2023-05-04 00:00 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Summary
Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: active Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-28 16:24 UTC
CWE
  • CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
Impacted products
Vendor Product Version CPE status
Samsung Mobile Samsung Mobile Devices Affected: Selected Android 11, 12, 13 devices , < SMR May-2023 Release 1 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c8f8cc6b-95d5-4889-a483-982d9a646ff7

Vulnerability ID: CVE-2023-21492

Status: Confirmed

Status Updated: 2023-05-19 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-05-19
Asserted: 2023-05-19
Scope
Notes: KEV entry: Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability | Affected: Samsung / Mobile Devices | Description: Samsung mobile devices running Android 11, 12, and 13 contain an insertion of sensitive information into log file vulnerability that allows a privileged, local attacker to conduct an address space layout randomization (ASLR) bypass. | Required action: Apply updates per vendor instructions. | Due date: 2023-06-09 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://security.samsungmobile.com/securityUpdate.smsb; https://nvd.nist.gov/vuln/detail/CVE-2023-21492
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-532
Feed CISA Known Exploited Vulnerabilities Catalog
Product Mobile Devices
Due Date 2023-06-09
Date Added 2023-05-19
Vendorproject Samsung
Vulnerabilityname Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 30b0efee-4700-455c-8539-34695024e472

Vulnerability ID: CVE-2023-21492

Status: Confirmed

Status Updated: 2023-05-19 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-05-19
Asserted: 2023-05-19
Scope
Notes: KEVIntel entry: Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR. | Affected: Samsung Mobile / Samsung Mobile Devices | CVSS: 4.4 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.
Vendor Samsung Mobile
Product Samsung Mobile Devices
Added Date 2023-05-19T00:00:00.000Z
Cvss Score 4.4
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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      "id": "CVE-2023-21492",
      "lastModified": "2024-11-21T07:42:56.830",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"mobile.security@samsung.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 4.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 0.8, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 4.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"HIGH\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 0.8, \"impactScore\": 3.6}]}",
      "published": "2023-05-04T21:15:10.070",
      "references": "[{\"url\": \"https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=05\", \"source\": \"mobile.security@samsung.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=05\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
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    "redhat_vex": {
      "current_release_date": "2026-03-27T11:49:03+00:00",
      "cve": "CVE-2023-21492",
      "id": "CVE-2023-21492",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2023-21492",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-21492.json",
      "version": "3"
    },
    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2023-21492\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-21T23:05:48.107Z\", \"dateReserved\": \"2022-11-14T00:00:00.000Z\", \"assignerOrgId\": \"3af57064-a867-422c-b2ad-40307b65c458\", \"datePublished\": \"2023-05-04T00:00:00.000Z\", \"assignerShortName\": \"Samsung Mobile\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.