CVE-2007-0720

The CUPS service on multiple platforms allows remote attackers to cause a denial of service (service hang) via a "partially-negotiated" SSL connection, which prevents other requests from being accepted.

Published: 2007-03-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-0720 is rated Moderate Risk (47/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.32%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2007-0720

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 17.14% 5.32% -11.82%
2 2025-10-30 16.60% 17.14% +0.54%
3 2025-07-26 16.60%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0720

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:N/A:P 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:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-0720

OS Trackers for CVE-2007-0720

vendor priority summary link
debian low CVE-2007-0720 low priority: Debian including 1 source packages (cups), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-0720
gentoo normal CVE-2007-0720: 2 GLSA(s) (200703-28, 201412-11), 2 atom(s) (app-emulation/emul-linux-x86-baselibs, net-print/cups); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-0720
redhat medium https://access.redhat.com/security/cve/CVE-2007-0720
ubuntu medium CVE-2007-0720 medium priority: Ubuntu including 1 source packages (cupsys), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): ignored 2, needs-triage 1, not-affected 1. https://ubuntu.com/security/CVE-2007-0720

Affected software / configurations for CVE-2007-0720

Vendor Product Version Raw CPE
cups cups < 1.2.8 cpe:2.3:a:cups:cups:*:*:*:*:*:*:*:*
apple mac_os_x < 10.4.9 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

References for CVE-2007-0720

URL Tags
http://docs.info.apple.com/article.html?artnum=305214 Broken Link
http://fedoranews.org/cms/node/2785 Broken Link
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html Mailing List Vendor Advisory
http://secunia.com/advisories/24479 Third Party Advisory
http://secunia.com/advisories/24517 Third Party Advisory
http://secunia.com/advisories/24530 Third Party Advisory
http://secunia.com/advisories/24660 Third Party Advisory
http://secunia.com/advisories/24878 Third Party Advisory
http://secunia.com/advisories/24895 Third Party Advisory
http://secunia.com/advisories/25119 Third Party Advisory
http://secunia.com/advisories/25497 Third Party Advisory
http://secunia.com/advisories/26083 Third Party Advisory
http://secunia.com/advisories/26413 Third Party Advisory
http://security.gentoo.org/glsa/glsa-200703-28.xml Third Party Advisory
http://support.avaya.com/elmodocs2/security/ASA-2007-194.htm Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2007:086 Third Party Advisory
http://www.novell.com/linux/security/advisories/2007_14_sr.html Broken Link
http://www.novell.com/linux/security/advisories/2007_9_sr.html Broken Link
http://www.redhat.com/support/errata/RHSA-2007-0123.html Third Party Advisory
http://www.securityfocus.com/archive/1/463846/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/22948 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/23127 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1017750 Third Party Advisory VDB Entry
http://www.us-cert.gov/cas/techalerts/TA07-072A.html Third Party Advisory US Government Resource
http://www.vupen.com/english/advisories/2007/0930 Third Party Advisory
http://www.vupen.com/english/advisories/2007/0949 Third Party Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=232243 Issue Tracking Third Party Advisory
https://issues.rpath.com/browse/RPL-1173 Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11046 Third Party Advisory
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