SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-22720

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

CRITICAL 9.8EPSS 28.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 28.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
28.19% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-444
Affected
apache/http server · fedoraproject/fedora · debian/debian linux · oracle/enterprise manager ops center · oracle/http server · oracle/zfs storage appliance kit · apple/mac os x · apple/macos
Source
security@apache.org
EPSS trend
0%15%30%26 October 2026: 28.19%26 October 202626 October 2026

EPSS 28.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.