GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-31437 (GCVE-0-2023-31437)

Vulnerability from cvelistv5 – Published: 2023-06-13 00:00 – Updated: 2025-01-03 19:31 Disputed
VLAI
Summary
An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-03 19:31 UTC
CWE
  • n/a
  • CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T14:53:30.719Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/systemd/systemd/releases"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/kastel-security/Journald"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-31437",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-03T19:31:49.189625Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-354",
                "description": "CWE-354 Improper Validation of Integrity Check Value",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-03T19:31:56.969Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent \"a reply denying that any of the finding was a security vulnerability.\""
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-14T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/systemd/systemd/releases"
        },
        {
          "url": "https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf"
        },
        {
          "url": "https://github.com/kastel-security/Journald"
        }
      ],
      "tags": [
        "disputed"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2023-31437",
    "datePublished": "2023-06-13T00:00:00.000Z",
    "dateReserved": "2023-04-28T00:00:00.000Z",
    "dateUpdated": "2025-01-03T19:31:56.969Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-31437",
      "date": "2026-09-16",
      "epss": "0.00341",
      "percentile": "0.27513"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:systemd_project:systemd:253:-:*:*:*:*:*:*\", \"matchCriteriaId\": \"733DE777-9802-4CB6-8B03-6B6295BCE29D\"}]}]}]",
      "cveTags": "[{\"sourceIdentifier\": \"cve@mitre.org\", \"tags\": [\"disputed\"]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent \\\"a reply denying that any of the finding was a security vulnerability.\\\"\"}]",
      "id": "CVE-2023-31437",
      "lastModified": "2025-01-03T20:15:26.457",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}, {\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}]}",
      "published": "2023-06-13T17:15:14.657",
      "references": "[{\"url\": \"https://github.com/kastel-security/Journald\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf\", \"source\": \"cve@mitre.org\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://github.com/systemd/systemd/releases\", \"source\": \"cve@mitre.org\", \"tags\": [\"Release Notes\"]}, {\"url\": \"https://github.com/kastel-security/Journald\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://github.com/systemd/systemd/releases\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-354\"}]}, {\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-354\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-31437\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2023-06-13T17:15:14.657\",\"lastModified\":\"2026-06-17T05:56:57.143\",\"vulnStatus\":\"Modified\",\"cveTags\":[{\"sourceIdentifier\":\"cve@mitre.org\",\"tags\":[\"disputed\"]}],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent \\\"a reply denying that any of the finding was a security vulnerability.\\\"\"}],\"affected\":[{\"source\":\"cve@mitre.org\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"n/a\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-01-03T19:31:49.189625Z\",\"id\":\"CVE-2023-31437\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-354\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-354\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:systemd_project:systemd:253:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"733DE777-9802-4CB6-8B03-6B6295BCE29D\"}]}]}],\"references\":[{\"url\":\"https://github.com/kastel-security/Journald\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf\",\"source\":\"cve@mitre.org\",\"tags\":[\"Technical Description\"]},{\"url\":\"https://github.com/systemd/systemd/releases\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/kastel-security/Journald\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Technical Description\"]},{\"url\":\"https://github.com/systemd/systemd/releases\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T11:38:58+00:00",
      "cve": "CVE-2023-31437",
      "id": "CVE-2023-31437",
      "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-2023-31437",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-31437.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-03-12T10:05:50Z",
      "cve": "CVE-2023-31437",
      "id": "CVE-2023-31437",
      "initial_release_date": "2023-06-15T00:54:25Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-31437",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-31437.json",
      "version": "10"
    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2023-06-14T00:00:00\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent \\\"a reply denying that any of the finding was a security vulnerability.\\\"\"}], \"tags\": [\"disputed\"], \"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"version\": \"n/a\", \"status\": \"affected\"}]}], \"references\": [{\"url\": \"https://github.com/systemd/systemd/releases\"}, {\"url\": \"https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf\"}, {\"url\": \"https://github.com/kastel-security/Journald\"}], \"problemTypes\": [{\"descriptions\": [{\"type\": \"text\", \"lang\": \"en\", \"description\": \"n/a\"}]}]}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T14:53:30.719Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/systemd/systemd/releases\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/kastel-security/Journald/blob/main/journald-publication.pdf\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/kastel-security/Journald\", \"tags\": [\"x_transferred\"]}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-31437\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-03T19:31:49.189625Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-354\", \"description\": \"CWE-354 Improper Validation of Integrity Check Value\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-01-03T19:31:19.580Z\"}}]}",
      "cveMetadata": "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2023-31437\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"assignerShortName\": \"mitre\", \"dateUpdated\": \"2025-01-03T19:31:56.969Z\", \"dateReserved\": \"2023-04-28T00:00:00\", \"datePublished\": \"2023-06-13T00:00:00\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




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.