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CVE-2024-35229

Status: DeferredMedium (5.3)—

ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to version 1.3.10, there is a very specific pattern `f(a(),b()); check_if_a_executed_last()` in Yul that exposes a bug in evaluation order of Yul function arguments. This vulnerability has been fixed in version 1.3.10. As a workaround, update and redeploy affected contracts.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Zksync — ERAAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-35229",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-35229",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-06T20:53:12.579727Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "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"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "matter-labs",
          "product": "era-compiler-solidity",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.3.10"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:matter-labs:era-compiler-solidity:*:*:*:*:*:*:*:*"
          ],
          "vendor": "matter-labs",
          "product": "era-compiler-solidity",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "1.3.10",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-05-27T17:15:09.510",
  "references": [
    {
      "url": "https://github.com/matter-labs/era-compiler-solidity/commit/46ce047b51576495779b9f67534207d8154eab79",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/matter-labs/era-compiler-solidity/security/advisories/GHSA-jf9w-7f5g-j95p",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/matter-labs/era-compiler-solidity/commit/46ce047b51576495779b9f67534207d8154eab79",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/matter-labs/era-compiler-solidity/security/advisories/GHSA-jf9w-7f5g-j95p",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-696"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to version 1.3.10, there is a very specific pattern `f(a(),b()); check_if_a_executed_last()` in Yul that exposes a bug in evaluation order of Yul function arguments. This vulnerability has been fixed in version 1.3.10. As a workaround, update and redeploy affected contracts.\n"
    },
    {
      "lang": "es",
      "value": "ZKsync Era es un paquete acumulativo de capa 2 que utiliza pruebas de conocimiento cero para escalar Ethereum. Antes de la versión 1.3.10, existía un patrón muy específico `f(a(),b()); check_if_a_executed_last()` en Yul que expone un error en el orden de evaluación de los argumentos de la función Yul. Esta vulnerabilidad se ha solucionado en la versión 1.3.10. Como workaround, actualice y vuelva a implementar los contratos afectados."
    }
  ],
  "lastModified": "2026-06-17T07:34:35.177",
  "sourceIdentifier": "security-advisories@github.com"
}