9.8

CVE-2022-36937: facebook hhvm

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2022-36937
Published 10-05-2023Last modified 27-01-2025
Open JSON

Vulnerability summary

CVE-2022-36937 is a critical (CVSS 9.8) vulnerability in facebook hhvm. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-05-2023
    PublishedVulnerability first disclosed.
  2. 27-01-2025
    Last modifiedVulnerability information updated.

Description

HHVM 4.172.0 and all prior versions use TLS 1.0 for secure connections when handling tls:// URLs in the stream extension. TLS1.0 has numerous published vulnerabilities and is deprecated. HHVM 4.153.4, 4.168.2, 4.169.2, 4.170.2, 4.171.1, 4.172.1, 4.173.0 replaces TLS1.0 with TLS1.3. Applications that call stream_socket_server or stream_socket_client functions with a URL starting with tls:// are affected.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.53% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Facebook1 product
  • hhvm≥ 4.172.0, < 4.172.1 | ≥ 4.171.0, < 4.171.1 | ≥ 4.154.0, < 1.168.2 | < 4.153.4 | ≥ 4.154.0, < 4.168.2 | ≥ 4.169.0, < 4.169.2 | ≥ 4.170.0, < 4.170.2 | 4.171.0 | 4.172.0
Ubuntu1 product
  • hhvmAll versions (No fix recorded)

2 vendors · 2 products

References

4 links