{"id":"CVE-2020-11277","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-11277","generatedAt":"2026-10-27T21:19:59.722Z","title":"Possible race condition during async fastrpc session after sending RPC message due to the fastrpc ctx gets free during async session in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile","description":"Possible race condition during async fastrpc session after sending RPC message due to the fastrpc ctx gets free during async session in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile","published":"2021-02-22T07:15:15.000Z","lastModified":"2026-06-17T02:49:56.000Z","status":"Modified","sourceIdentifier":"product-security@qualcomm.com","cvss":{"version":"3.1","score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-362","CWE-416"],"affected":["qualcomm/pm3003a firmware","qualcomm/pm4250 firmware","qualcomm/pm6125 firmware","qualcomm/pm6150a firmware","qualcomm/pm6150l firmware","qualcomm/pm6350 firmware","qualcomm/pm7150a firmware","qualcomm/pm7150l firmware","qualcomm/pm7250 firmware","qualcomm/pm7250b firmware","qualcomm/pm7350c firmware","qualcomm/pm8008 firmware","qualcomm/pm8009 firmware","qualcomm/pm8150a firmware","qualcomm/pm8150b firmware","qualcomm/pm8150c firmware","qualcomm/pm8150l firmware","qualcomm/pm8250 firmware","qualcomm/pm8350 firmware","qualcomm/pm8350b firmware","qualcomm/pm8350bh firmware","qualcomm/pm8350bhs firmware","qualcomm/pm8350c firmware","qualcomm/pmi632 firmware","qualcomm/pmk7350 firmware","qualcomm/pmk8002 firmware","qualcomm/pmk8003 firmware","qualcomm/pmk8350 firmware","qualcomm/pmr525 firmware","qualcomm/pmr735a firmware","qualcomm/pmr735b firmware","qualcomm/pmx55 firmware","qualcomm/qat3514 firmware","qualcomm/qat3516 firmware","qualcomm/qat3518 firmware","qualcomm/qat3519 firmware","qualcomm/qat3555 firmware","qualcomm/qat5515 firmware","qualcomm/qat5516 firmware","qualcomm/qat5522 firmware","qualcomm/qat5533 firmware","qualcomm/qat5568 firmware","qualcomm/qbt2000 firmware","qualcomm/qca6390 firmware","qualcomm/qca6391 firmware","qualcomm/qca6426 firmware","qualcomm/qcm4290 firmware","qualcomm/qcs4290 firmware","qualcomm/qdm2307 firmware","qualcomm/qdm2308 firmware","qualcomm/qdm2310 firmware","qualcomm/qdm3301 firmware","qualcomm/qdm3302 firmware","qualcomm/qdm4643 firmware","qualcomm/qdm4650 firmware","qualcomm/qdm5579 firmware","qualcomm/qdm5620 firmware","qualcomm/qdm5621 firmware","qualcomm/qdm5650 firmware","qualcomm/qdm5652 firmware"],"epss":{"score":0.0012,"percentile":0.0179,"date":"2026-10-26","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 (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/february-2021-bulletin","tags":["Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/february-2021-bulletin","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-11277","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."}