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CVE-2009-2727

59
FAUCET Score

CVE-2009-2727 is a critical stack-based buffer overflow vulnerability in the ToolTalk library (libtt.a) affecting IBM AIX versions 5.2.0 through 6.1.3, specifically when the rpc.ttdbserver daemon is enabled. This flaw allows remote attackers to execute arbitrary code by sending a long XDR-encoded ASCII string to remote procedure 15. With a CVSS score of 9.3, it presents a high risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, a Metasploit module exists for this vulnerability, indicating readily available exploit code, though it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.2CPE matchmatch criteria
cpe:2.3:o:ibm:aix:5.2:*:*:*:*:*:*:*
5.2.0CPE matchmatch criteria
cpe:2.3:o:ibm:aix:5.2.0:*:*:*:*:*:*:*
5.2.0.50CPE matchmatch criteria
cpe:2.3:o:ibm:aix:5.2.0.50:*:*:*:*:*:*:*
5.2.0.54CPE matchmatch criteria
cpe:2.3:o:ibm:aix:5.2.0.54:*:*:*:*:*:*:*
5.2.2CPE matchmatch criteria
cpe:2.3:o:ibm:aix:5.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
26.75%
Probability of exploitation in next 30 days
EPSS Percentile
97.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: ToolTalk rpc.ttdbserverd _tt_internal_realpath Buffer Overflow (AIX) · Jun 17, 2009
ExploitDB: EDB-16930 · Nov 11, 2010
This CVE's current EPSS score of 0.2675 is in the 91st percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 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

Remediation records are not available for this CVE.

References

aix.software.ibm.com / aix/efixes/security/libtt_advisory.asc
Vendor Advisory
risesecurity.org / advisories/RISE-2009001.txt
secunia.com / advisories/35505
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
securityfocus.com / bid/35419
Exploit
vupen.com / english/advisories/2009/1620
PatchVendor Advisory