High severity · published Aug 24, 2022
CVE-2021-4213
A flaw was found in JSS, where it did not properly free up all memory
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JS
JSS ·
Fixed in v5.2.0-beta1 · source: vendor
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
NS
Network Security Services For Java · Dogtagpki
before 4.9.3; 5.0.0 before 5.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4213
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4213
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4213
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2042900
Patch
https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2
Patch
https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2021-4213