Critical severity · published Mar 26, 2018
CVE-2018-1312
In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random…
9.8
CVSS
15.7%
EPSS
No
On KEV
Description
In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP requests could be replayed across servers by an attacker without detection.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)15.7% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.4.1; 2.4.2; 2.4.3; 2.4.4; 2.4.6; 2.4.7; +13 more · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
EL
JC
ST
Storagegrid · Netapp
All versions, or not specified · source: NVD
Affected product
HS
HTTP Server
Apache
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