CVE-2006-2920

Sylpheed-Claws before 2.2.2 and Sylpheed before 2.2.6 allow remote attackers to bypass the URI check functionality and makes it easier to conduct phishing attacks via a URI that begins with a space character.

Published: 2006-06-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-2920 is rated Low Risk (34.9/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.41%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2006-2920

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 1.10% 1.41% +0.30%
2 2025-07-03 0.90% 1.10% +0.20%
3 2025-03-30 0.90%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2920

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/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:H)
Exploitation requires uncommon or highly specific conditions.
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.
4.9 2.9 [email protected]

Weakness enumeration for CVE-2006-2920

OS Trackers for CVE-2006-2920

vendor priority summary link
debian low CVE-2006-2920 low priority: Debian including 1 source packages (sylpheed), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2006-2920
ubuntu medium CVE-2006-2920 medium priority: Ubuntu including 4 source packages (claws-mail, sylpheed-claws, sylpheed-claws-gtk2, sylpheed-gtk1), 36 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): DNE 15, released 14, needs-triage 4, ignored 3. https://ubuntu.com/security/CVE-2006-2920

NVD evaluator notes for CVE-2006-2920

Solution: This vulnerability is addressed in the following product release: Sylpheed-Claws, Sylpheed-Claws, 2.2.2

Affected software / configurations for CVE-2006-2920

Vendor Product Version Raw CPE
sylpheed sylpheed <= 2.2.5 cpe:2.3:a:sylpheed:sylpheed:*:*:*:*:*:*:*:*
sylpheed sylpheed 2.0 cpe:2.3:a:sylpheed:sylpheed:2.0:*:*:*:*:*:*:*
sylpheed sylpheed 2.0.1 cpe:2.3:a:sylpheed:sylpheed:2.0.1:*:*:*:*:*:*:*
sylpheed sylpheed 2.0.2 cpe:2.3:a:sylpheed:sylpheed:2.0.2:*:*:*:*:*:*:*
sylpheed sylpheed 2.0.3 cpe:2.3:a:sylpheed:sylpheed:2.0.3:*:*:*:*:*:*:*
sylpheed sylpheed 2.1 cpe:2.3:a:sylpheed:sylpheed:2.1:*:*:*:*:*:*:*
sylpheed sylpheed 2.1.1 cpe:2.3:a:sylpheed:sylpheed:2.1.1:*:*:*:*:*:*:*
sylpheed sylpheed 2.1.2 cpe:2.3:a:sylpheed:sylpheed:2.1.2:*:*:*:*:*:*:*
sylpheed sylpheed 2.1.3 cpe:2.3:a:sylpheed:sylpheed:2.1.3:*:*:*:*:*:*:*
sylpheed sylpheed 2.1.4 cpe:2.3:a:sylpheed:sylpheed:2.1.4:*:*:*:*:*:*:*
sylpheed sylpheed 2.1.5 cpe:2.3:a:sylpheed:sylpheed:2.1.5:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws <= 2.2.1 cpe:2.3:a:sylpheed-claws:sylpheed-claws:*:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws 0.9.4 cpe:2.3:a:sylpheed-claws:sylpheed-claws:0.9.4:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws 0.9.5 cpe:2.3:a:sylpheed-claws:sylpheed-claws:0.9.5:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws 0.9.6 cpe:2.3:a:sylpheed-claws:sylpheed-claws:0.9.6:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws 1.0.2 cpe:2.3:a:sylpheed-claws:sylpheed-claws:1.0.2:*:*:*:*:*:*:*

References for CVE-2006-2920

cvelogic Threat Intelligence