HOMEVULNERABILITIESCVE-2006-4991
LOW

CVE-2006-4991

NVD-CWE-OtherPublished: September 26, 2006· Updated: Jun 16, 2026

3.6
CVSS v3.1

Official Description

RSA Keon Certificate Authority (KeonCA) Manager 6.5.1 and 6.6 allows privileged local users to hide malicious Certificate Authority (CA) activities by modifying CA auditor logs without detection by (1) modifying or deleting a <LOG BLOCK> and its signature from the XML log in a way that is not detected by the integrity check function that operates on the entire pool, or (2) modifying entries in the live log file, which is only signed during rotation.

NVD Source

Technical Analysis

CVE-2006-4991 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityNone
AV:L/AC:L/Au:N/C:P/I:P/A:N

Affected Vendors & Products

rsa1 product(s)
keon certificate authority manager
Source: NVD CPE · 2 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

ADVISORYhttp://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049592.html
ADVISORYhttp://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049592.html

All References (10)

→
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049592.htmlVendor Advisory
→
http://www.securityfocus.com/archive/1/446742/100/0/threaded
→
http://www.securityfocus.com/bid/20136
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/29065
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/29068
→
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049592.htmlVendor Advisory
→
http://www.securityfocus.com/archive/1/446742/100/0/threaded
→
http://www.securityfocus.com/bid/20136
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/29065
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/29068

Quick Facts

CVE IDCVE-2006-4991
CVSS Score3.6 / 10
SeverityLOW
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedSep 26, 2006

Related CVEs (NVD-CWE-Other)

CVE-2005-2530
10.0
CVE-2001-1252
10.0
CVE-2005-2529
10.0
CVE-2001-0960
10.0
CVE-2001-0961
10.0
CVE-2001-0789
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2006-4991 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.
← All Vulnerabilities·Search for CVE-2006-4991·NVD