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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2022-23943

Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data.

CRITICAL 9.8EPSS 50.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 50.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and prior versions.

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
50.40% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-190, CWE-787
Affected
apache/http server · fedoraproject/fedora · debian/debian linux · oracle/http server · oracle/zfs storage appliance kit
Source
security@apache.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.