LOW
CVE-2021-40087
CWE-312Published: August 25, 2021· Updated: Jun 17, 2026
2.7
CVSS v3.1
Official Description
An issue was discovered in PrimeKey EJBCA before 7.6.0. When audit logging changes to the alias configurations of various protocols that use an enrollment secret, any modifications to the secret were logged in cleartext in the audit log (that can only be viewed by an administrator). This affects use of any of the following protocols: SCEP, CMP, or EST.
Technical Analysis
CVE-2021-40087 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
primekey1 product(s)
ejbca
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://support.primekey.com/news/posts/53Vendor Advisory
→
https://support.primekey.com/news/posts/53Vendor Advisory
Quick Facts
CVE IDCVE-2021-40087
CVSS Score2.7 / 10
SeverityLOW
WeaknessCWE-312
CISA KEVNo
Affected1 vendor(s)
PublishedAug 25, 2021
Related CVEs (CWE-312)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-40087 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.