CVE-2003-0021

The "screen dump" feature in Eterm 0.9.1 and earlier allows attackers to overwrite arbitrary files via a certain character escape sequence when it is echoed to a user's terminal, e.g. when the user views a file containing the malicious sequence.

Published: 2003-03-03 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0021 is rated Moderate Risk (42.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.21%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-0021

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.88% 1.21% +0.33%
2 2026-05-07 0.61% 0.88% +0.27%
3 2025-03-30 — 0.61% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0021

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0021

OS Trackers for CVE-2003-0021

vendor priority summary link
debian not yet assigned CVE-2003-0021 not yet assigned priority: Debian including 1 source packages (eterm), 4 status rows across 4 suites (bookworm, bullseye, forky, sid): resolved 4. https://security-tracker.debian.org/tracker/CVE-2003-0021

Affected software / configurations for CVE-2003-0021

Vendor Product Version Raw CPE
michael_jennings eterm 0.8.10 cpe:2.3:a:michael_jennings:eterm:0.8.10:*:*:*:*:*:*:*
michael_jennings eterm 0.9.1 cpe:2.3:a:michael_jennings:eterm:0.9.1:*:*:*:*:*:*:*

References for CVE-2003-0021

cvelogic Threat Intelligence