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CVE-2003-0063

22
FAUCET Score

CVE-2003-0063 describes a vulnerability in the xterm terminal emulator, specifically in XFree86 4.2.0 and earlier versions. An attacker can manipulate the window title using a specially crafted character escape sequence, then inject this sequence back into the user's command line, potentially leading to arbitrary command execution. This vulnerability carries a CVSS score of 7.3 (HIGH), indicating a significant risk with a network-based attack vector and low complexity, allowing for partial impact on confidentiality, integrity, and availability. Despite its age and severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:xfree86_project:x11r6:4.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:xfree86_project:x11r6:4.0.1:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:a:xfree86_project:x11r6:4.0.3:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:xfree86_project:x11r6:4.1.0:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:xfree86_project:x11r6:4.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.40%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0340 is in the 78th percentile among its peer group of 51,455 CVEs.

Social Chatter

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 (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2003-0063Moderate

security flaw

Feb 24, 2003

References

archives.neohapsis.com / archives/vulnwatch/2003-q1/0093.html
Vendor Advisory
marc.info
debian.org / security/2003/dsa-380
iss.net / security_center/static/11414.php
Vendor Advisory
openwall.com / lists/oss-security/2024/06/15/1
redhat.com / support/errata/RHSA-2003-064.html
redhat.com / support/errata/RHSA-2003-065.html
redhat.com / support/errata/RHSA-2003-066.html
redhat.com / support/errata/RHSA-2003-067.html
securityfocus.com / bid/6940