{"id":"CVE-2023-33964","aliases":["EUVD-2023-1740","GHSA-7xpv-4pm9-xch2","GO-2023-1806"],"status":"published","title":"mx-chain-go does not treat invalid transaction with wrong username correctly","description":"mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00569,"percentile":0.47594,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2023-05-31T17:07:21Z","modified":"2026-10-28T02:30:22Z","fixes":[{"ecosystem":"Go","package":"github.com/multiversx/mx-chain-go","fixed_in":["1.4.16"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/multiversx/mx-chain-go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/multiversx/mx-chain-go","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/multiversx/mx-chain-go","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.16"}]}]}],"products":[{"vendor":"multiversx","product":"mx-chain-go"}],"references":[{"url":"https://github.com/multiversx/mx-chain-go/security/advisories/GHSA-7xpv-4pm9-xch2","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/multiversx/mx-chain-go/commit/97295471465f4b5f79e51b32f8b7111f8d921606","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33964","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7xpv-4pm9-xch2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33964.json","tags":["advisory"]},{"url":"https://github.com/multiversx/mx-chain-go","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-33964","title":"mx-chain-go does not treat invalid transaction with wrong username correctly","description":"mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.\n","status":"published","published":"2023-05-31T17:07:21.667Z","modified":"2025-01-09T20:24:41.606Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-1740","description":"mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.\n","status":"published","published":"2023-05-31T17:07:21Z","modified":"2025-01-09T20:24:41Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:04:22.117545Z"}],"ghsa":[{"id":"GHSA-7xpv-4pm9-xch2","title":"mx-chain-go does not treat invalid transaction with wrong username correctly","description":"### Impact\nMetachain cannot process a cross-shard miniblock.\nAn invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. \n \n### Patches\nIntroduce processIfTxErrorCrossShard for metachain transaction processor. \n\n### Workarounds\nNo\n\n### References\nNo\n","status":"published","published":"2023-06-02T19:41:31Z","modified":"2023-11-04T05:03:46Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:37:12.407027Z"}],"nvd":[{"id":"CVE-2023-33964","description":"mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.\n","status":"published","published":"2023-05-31T18:15:09.437Z","modified":"2026-06-17T06:02:36.85Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:08:03.795015Z"}],"osv":[{"id":"CVE-2023-33964","title":"mx-chain-go does not treat invalid transaction with wrong username correctly","description":"mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.\n","status":"published","published":"2023-05-31T17:07:21.667Z","modified":"2026-10-28T02:30:22.921359665Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:44:32.116263Z"},{"id":"GHSA-7xpv-4pm9-xch2","title":"mx-chain-go does not treat invalid transaction with wrong username correctly","description":"### Impact\nMetachain cannot process a cross-shard miniblock.\nAn invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. \n \n### Patches\nIntroduce processIfTxErrorCrossShard for metachain transaction processor. \n\n### Workarounds\nNo\n\n### References\nNo\n","status":"published","published":"2023-06-02T19:41:31Z","modified":"2026-09-10T03:50:02.162132662Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:41.732368Z"},{"id":"GO-2023-1806","title":"mx-chain-go does not treat invalid transaction with wrong username correctly in github.com/multiversx/mx-chain-go","description":"mx-chain-go does not treat invalid transaction with wrong username correctly in github.com/multiversx/mx-chain-go","status":"published","published":"2024-08-20T20:31:32Z","modified":"2026-03-03T04:51:27.237463Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}