Search/CVE-2021-39275
● CVE — Critical

CVE-2021-39275

Vendordebian, fedoraproject, netapp, oracle, apacheProductdebian linux, fedora, clustered data ontap, http server, cloud backup, storagegrid, instantis enterprisetrack, zfs storage appliance kit, sinema server, sinec nmsDiscoveredSep 16, 2021UpdatedMay 1, 2025

ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.

View graph Watch Export
CVSS v3.1
9.8 CRITICAL
EPSS
39.4%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
12 relationships
Timeline
disclosure → media coverage
Sep 16, 2021
Disclosure — published as a CVE record. · last revised by NVD May 1, 2025