Critical severity · published May 18, 2020
CVE-2020-1897
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
9.8
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
Proxygen · Facebook
before 2020.05.18.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-1897
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-1897
Vendor Advisory
https://www.facebook.com/security/advisories/cve-2020-1897
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