CVE-2020-1897
CRITICAL
9.8
CVSS Score
Published: May 18, 2020 at 09:30 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
1 product affected across 1 vendorProxygen
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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2020.05.18.00v < v2020.05.18.00
Affected range stops below 2020.05.18.00, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in v2020.05.18.00 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.facebook.com/security/advisories/cve-2020-1897CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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