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CVE-2022-2393

20
FAUCET Score

CVE-2022-2393 is a medium-severity flaw in pki-core, affecting products like Red Hat Certificate System and Enterprise Linux. It allows an authenticated attacker on an adjacent network to obtain a certificate for another user's identity, leading to impersonation within the domain without decrypting message content. The vulnerability has a CVSS score of 5.7 (AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N), indicating low attack complexity and privileges required, but high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.12.4CPE matchmatch criteria
cpe:2.3:a:pki-core_project:pki-core:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:10.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.7MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 22nd percentile among its peer group of 314 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Certificate System 9.7Fixed in: pki-core-0:10.5.18-23.el7pki
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: pki-core-0:10.5.18-23.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: pki-core:10.6-8060020230411223433.60523a7b
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: pki-core-0:11.3.0-1.el9
View patch
redhatno patchvia redhat_api
Product: Red Hat Certificate System 10Fixed in: redhat-pki:10/pki-core
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pki-core:10.6/pki-core

Vendor Advisories (1)

redhatCVE-2022-2393Moderate

pki-core: When using the caServerKeygen_DirUserCert profile, user can get certificates for other UIDs by entering name in Subject field

Jul 12, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory