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CVE-2025-61984

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:528da9c445b6b6c72ad4ba0778f8a57c245f7f71ee06484a08f7ccb11c0cdd02
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"defaultStatus":"unaffected","product":"OpenSSH","vendor":"OpenBSD","versions":[{"lessThan":"10.1","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/2

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/3

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/4

Affected products and versions

6 source assertions
{"defaultStatus":"unaffected","product":"OpenSSH","vendor":"OpenBSD","versions":[{"lessThan":"10.1","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/2
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/3
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/affected/4

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":3.6,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-159","description":"CWE-159 Improper Handling of Invalid Use of Special Elements","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/problemTypes/0/descriptions/0

Source references

9 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2025/10/07/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/1/references/0
{"url":"http://www.openwall.com/lists/oss-security/2025/10/12/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/1/references/1
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/2/references/0
{"tags":["exploit"],"url":"https://dgl.cx/2025/10/bash-a-newline-ssh-proxycommand-cve-2025-61984"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/0/references/0
{"url":"https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/references/1
{"url":"https://www.openssh.com/releasenotes.html#10.1p1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/references/2
{"url":"https://www.openwall.com/lists/oss-security/2025/10/06/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/cna/references/0
{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-61984-detection-script-remote-code-execution-vulnerability-affecting-openssh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/1/references/2
{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-61984-mitigation-script-remote-code-execution-vulnerability-affecting-openssh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3662bd1f57d49076c8f1ffe86c44eab2a8a00dfcca366a7d77671f607eaf51d · sha256:a37c9111f8dc2a6c… · /containers/adp/1/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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