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CVE-2026-20797

A stack based buffer overflow exists in an API route of XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to cause stack corruption and a termination of the program.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ac18d0ea65623fd0ed6eee77a429ca2f23785e47a7f0ae3057bf84cbbcceeabf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","product":"Copeland XWEB 300D PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"Copeland XWEB 500B PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/affected/2

{"defaultStatus":"unaffected","product":"Copeland XWEB 500D PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/affected/1
cwe · 2 assertions

{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"WE-121","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","product":"Copeland XWEB 300D PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"Copeland XWEB 500B PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/affected/2
{"defaultStatus":"unaffected","product":"Copeland XWEB 500D PRO","vendor":"Copeland","versions":[{"lessThanOrEqual":"1.12.1","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"WE-121","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/references/2
{"url":"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/references/0
{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0e970c1adc71114b62131d5ebc4550d3ef52fd742bfa09660dd5bd3311292547 · sha256:fd7c91c1c49c169e… · /containers/cna/references/1

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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