{
  "cveId": "CVE-2020-35881",
  "url": "https://patchblox.com/security/cve/CVE-2020-35881",
  "summary": "CVE-2020-35881 is fixed in aws-efs-utils on 1 platform, first by SUSE-SU-2025:3954-1, released November 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "aws-efs-utils: This update for aws-efs-utils fixes the following issues:\n\nUpdate to version 2.3.3 (bsc#1240044).\n\nSecurity issues fi...",
  "description": "This update for aws-efs-utils fixes the following issues:\n\nUpdate to version 2.3.3 (bsc#1240044).\n\nSecurity issues fixed:\n\n- CVE-2025-55159: slab: incorrect bounds check in \u0060get_disjoint_mut\u0060 function can lead to potential crash due to out-of-bounds access (bsc#1248055).\n- CVE-2020-35881: traitobject: log4rs: out-of-bounds write due to fat pointer layout assumptions (bsc#1249851).\n\nOther issues fixed:\n\n- Build and install efs-proxy binary (bsc#1240044).\n\n- Fixed in version 2.3.3:\n  * Add environment variable support for AWS profiles and regions\n  * Regenerate Cargo.lock with rust 1.70.0\n  * Update circle-ci config\n  * Fix AWS Env Variable Test and Code Style Issue\n  * Remove CentOS 8 and Ubuntu 16.04 from verified Linux distribution list\n\n- Fixed in version 2.3.2:\n  * Update version in amazon-efs-utils.spec to 2.3.1\n  * Fix incorrect package version\n\n- Fixed in version 2.3.1:\n  * Fix backtrace version to resolve ubuntu and rhel build issues\n  * Pin Cargo.lock to avoid unexpected error across images\n\n- Fixed in version 2.3.0:\n  * Add support for pod-identity credentials in the credentials chain\n  * Enable mounting with IPv6 when using with the \u0027stunnel\u0027 mount option\n\n- Fixed in version 2.2.1:\n  * Update log4rs\n\n- Fixed in version 2.2.0\n  * Use region-specific domain suffixes for dns endpoints where missing\n  * Merge PR #211 - Amend Debian control to use binary architecture\n  \n- Fixed in version 2.1.0\n  * Add mount option for specifying region\n  * Add new ISO regions to config file\n  \n- Fixed in version 2.0.4\n  * Add retry logic to and increase timeout for EC2 metadata token\n    retrieval requests\n\n- Fixed in version 2.0.3:\n  * Upgrade py version\n  * Replace deprecated usage of datetime\n  \n- Fixed in version 2.0.2\n  * Check for efs-proxy PIDs when cleaning tunnel state files\n  * Add PID to log entries\n  \n- Fxied in  version 2.0.1\n  * Disable Nagle\u0027s algorithm for efs-proxy TLS mounts to improve latencies\n  \n- Fixed in version 2.0.0:\n  * Replace stunnel, which provides TLS encryptions for mounts, with efs-proxy, a component built in-house at AWS.\n    Efs-proxy lays the foundation for upcoming feature launches at EFS.\n\n- Fixed in version 1.36.0:\n  * Support new mount option: crossaccount, conduct cross account mounts via ip address. Use client AZ-ID to choose\n    mount target.\n  \n- Fixed in version 1.35.2:\n  * Revert \u0027Add warning if using older Version\u0027\n  * Support MacOS Sonoma\n\n- Fixed in version 1.35.1:\n  * Revert openssl requirement change\n  * Revert \u0027Update EFS Documentation: Clarify Current FIPS Compliance Status\u0027\n  * Update EFS Documentation: Clarify Current FIPS Compliance Status\n  * test: Change repo urls in eol debian9 build\n  * Check private key file size to skip generation\n  * test: Fix pytest that failed since commit 3dd89ca\n  * Fix should_check_efs_utils_version scope\n  * Add warning if using old version\n  * Add \u0027fsap\u0027 option as EFS-only option\n\n- Fixed in version 1.35.0:\n  * Add parameters to allow mount fo pod impersonation feature in EFS CSI Driver\n  * Updated the README with support of Oracle8 distribution\n  * Readme troubleshooting section \u002B table of contents\n  * Add efs-utils Support for MacOS Ventura EC2 instances",
  "published": "2025-11-05T14:06:34Z",
  "severity": "",
  "epss": 0.01731,
  "epssPercentile": 0.77781,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "aws-efs-utils",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "2.3.3-150600.17.6.1",
      "fix": "SUSE-SU-2025:3954-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-3954-1",
      "released": "2025-11-05T14:06:34Z"
    },
    {
      "platform": "linux",
      "product": "aws-efs-utils",
      "release": "sles 15.6",
      "fixedVersion": "2.3.3-150600.17.6.1",
      "fix": "SUSE-SU-2025:3954-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-3954-1",
      "released": "2025-11-05T14:06:34Z"
    },
    {
      "platform": "linux",
      "product": "aws-efs-utils",
      "release": "sles 15.7",
      "fixedVersion": "2.3.3-150600.17.6.1",
      "fix": "SUSE-SU-2025:3954-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2025-3954-1",
      "released": "2025-11-05T14:06:34Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}