CVE-2020-1897

CVE-2020-1897: vulnerability in Facebook proxygen

Published · Updated

Follow this CVE+ Monitor Proxygen

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.1%
A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00.
Affected products
Facebook · proxygen
Related CVEs — Facebook proxygen

In the same product, most dangerous first.

CVE-2021-24029—CVE-2021-24029EPSS 1.2%CVE-2026-44909HIGHCVE-2026-44909EPSS 0.6%CVE-2025-55181MEDIUMCVE-2025-55181EPSS 0.3%CVE-2026-91096HIGHCVE-2026-91096EPSS 0.3%CVE-2026-91095MEDIUMCVE-2026-91095EPSS 0.2%CVE-2026-84895HIGHCVE-2026-84895EPSS 0.2%