{"id":"CVE-2017-11757","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-11757","generatedAt":"2026-10-29T01:42:43.943Z","title":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583.","description":"Heap-based buffer overflow in Actian Pervasive PSQL v12.10 and Zen v13 allows remote attackers to execute arbitrary code via crafted traffic to TCP port 1583. The overflow occurs after Server-Client encryption-key exchange. The issue results from an integer underflow that leads to a zero-byte allocation. The _srvLnaConnectMP1 function is affected.","published":"2017-07-31T14:29:00.000Z","lastModified":"2026-06-17T01:02:19.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-191"],"affected":["actian/pervasive psql","actian/zen"],"epss":{"score":0.02494,"percentile":0.84581,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://supportservices.actian.com/support-services/security-center#announcements","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://blogs.securiteam.com/index.php/archives/2924","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://twitter.com/SecuriTeam_SSD/status/815567538318954496","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://supportservices.actian.com/support-services/security-center#announcements","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blogs.securiteam.com/index.php/archives/2924","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://twitter.com/SecuriTeam_SSD/status/815567538318954496","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-11757","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}