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CVE-2009-4273

44
FAUCET Score

CVE-2009-4273 describes a critical arbitrary command injection vulnerability in the stap-server component of SystemTap versions prior to 1.1. This flaw allows unauthenticated remote attackers to execute arbitrary commands on affected systems by injecting shell metacharacters into stap command-line arguments within a request. With a CVSS score of 10.0, this vulnerability presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog or showing active exploitation, a public exploit (EDB-33535) exists, and its high EPSS and FAUCET Risk Score indicate significant potential for future exploitation. Despite its severity, there is no recorded community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:*
0.2.2CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*
0.5CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
17.72%
Probability of exploitation in next 30 days
EPSS Percentile
96.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-33535 · Jan 15, 2010
This CVE's current EPSS score of 0.1772 is in the 95th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (2)

fedorapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: systemtap-0:0.9.7-5.el5_4.3
View patch

Vendor Advisories (1)

redhatCVE-2009-4273Important

systemtap: remote code execution via stap-server

Dec 18, 2009

References

lists.fedoraproject.org / pipermail/package-announce/2010-February/035201.html
lists.fedoraproject.org / pipermail/package-announce/2010-February/035261.html
lists.fedoraproject.org / pipermail/package-announce/2010-January/034036.html
lists.fedoraproject.org / pipermail/package-announce/2010-January/034041.html
Patch
lists.fedoraproject.org / pipermail/scm-commits/2010-February/394714.html
lists.opensuse.org / opensuse-security-announce/2010-04/msg00006.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/38154
Vendor Advisory
secunia.com / advisories/38216
Vendor Advisory
secunia.com / advisories/38765
secunia.com / advisories/39656
sourceware.org / bugzilla/show_bug.cgi
sourceware.org / ml/systemtap/2010-q1/msg00142.html
sourceware.org / systemtap/ftp/releases/systemtap-1.1.tar.gz
Patch
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11417
redhat.com / support/errata/RHSA-2010-0124.html
vupen.com / english/advisories/2010/0169
Vendor Advisory
vupen.com / english/advisories/2010/1001