CVE-2020-1899: Facebook HHVM vulnerability
Facebook · HHVM
Vendor fix available · Affected: Facebook HHVM · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 69% of scored CVEs
Not scored yet. The CVE record carries no CVSS score.
DescriptionCVE.org
The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization. This type code allowed arbitrary memory addresses to be accessed as if they were static StringData objects. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Facebook · HHVM4.62.0; 4.61.0; 4.60.0; 4.59.0; 4.58.0; 4.57.0 and 2 more
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Published
- March 2021
CoverageNo articles yet
No CyberSIXT article names CVE-2020-1899 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.