CVE-2010-2242

Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values, as demonstrated by copying and deleting an NFS directory tree.

Published: 2010-08-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-2242 is rated Low Risk (20.5/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.42%). 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-2010-2242

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 0.06% 0.42% +0.36%
2 2023-03-07 1.28% 0.06% -1.22%
3 2023-02-13 — 1.28% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2242

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2010-2242

OS Trackers for CVE-2010-2242

vendor priority summary link
debian low CVE-2010-2242 low priority: Debian including 1 source packages (libvirt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-2242
redhat low — https://access.redhat.com/security/cve/CVE-2010-2242
suse low CVE-2010-2242 severity low: SUSE including 342 source package names (libvirt-0.4.6-14.63.1, libvirt-0.7.6-1.12.2, …), 534 product×package rows across 37 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (37 product lines)): Fixed 534. https://www.suse.com/security/cve/CVE-2010-2242/
ubuntu low CVE-2010-2242 low priority: Ubuntu including 1 source packages (libvirt), 7 status rows across 7 suites (dapper, hardy, jaunty, karmic, lucid, maverick, upstream): released 6, DNE 1. https://ubuntu.com/security/CVE-2010-2242

Affected software / configurations for CVE-2010-2242

Vendor Product Version Raw CPE
libvirt libvirt 0.2.0 cpe:2.3:a:libvirt:libvirt:0.2.0:*:*:*:*:*:*:*
libvirt libvirt 0.2.1 cpe:2.3:a:libvirt:libvirt:0.2.1:*:*:*:*:*:*:*
libvirt libvirt 0.2.2 cpe:2.3:a:libvirt:libvirt:0.2.2:*:*:*:*:*:*:*
libvirt libvirt 0.2.3 cpe:2.3:a:libvirt:libvirt:0.2.3:*:*:*:*:*:*:*
libvirt libvirt 0.3.0 cpe:2.3:a:libvirt:libvirt:0.3.0:*:*:*:*:*:*:*
libvirt libvirt 0.3.1 cpe:2.3:a:libvirt:libvirt:0.3.1:*:*:*:*:*:*:*
libvirt libvirt 0.3.2 cpe:2.3:a:libvirt:libvirt:0.3.2:*:*:*:*:*:*:*
libvirt libvirt 0.3.3 cpe:2.3:a:libvirt:libvirt:0.3.3:*:*:*:*:*:*:*
libvirt libvirt 0.4.0 cpe:2.3:a:libvirt:libvirt:0.4.0:*:*:*:*:*:*:*
libvirt libvirt 0.4.1 cpe:2.3:a:libvirt:libvirt:0.4.1:*:*:*:*:*:*:*
libvirt libvirt 0.4.2 cpe:2.3:a:libvirt:libvirt:0.4.2:*:*:*:*:*:*:*
libvirt libvirt 0.4.3 cpe:2.3:a:libvirt:libvirt:0.4.3:*:*:*:*:*:*:*
libvirt libvirt 0.4.4 cpe:2.3:a:libvirt:libvirt:0.4.4:*:*:*:*:*:*:*
libvirt libvirt 0.4.6 cpe:2.3:a:libvirt:libvirt:0.4.6:*:*:*:*:*:*:*
libvirt libvirt 0.5.0 cpe:2.3:a:libvirt:libvirt:0.5.0:*:*:*:*:*:*:*
libvirt libvirt 0.5.1 cpe:2.3:a:libvirt:libvirt:0.5.1:*:*:*:*:*:*:*
libvirt libvirt 0.6.0 cpe:2.3:a:libvirt:libvirt:0.6.0:*:*:*:*:*:*:*
libvirt libvirt 0.6.1 cpe:2.3:a:libvirt:libvirt:0.6.1:*:*:*:*:*:*:*
libvirt libvirt 0.6.2 cpe:2.3:a:libvirt:libvirt:0.6.2:*:*:*:*:*:*:*
libvirt libvirt 0.6.3 cpe:2.3:a:libvirt:libvirt:0.6.3:*:*:*:*:*:*:*
libvirt libvirt 0.6.4 cpe:2.3:a:libvirt:libvirt:0.6.4:*:*:*:*:*:*:*
libvirt libvirt 0.6.5 cpe:2.3:a:libvirt:libvirt:0.6.5:*:*:*:*:*:*:*
libvirt libvirt 0.7.0 cpe:2.3:a:libvirt:libvirt:0.7.0:*:*:*:*:*:*:*
libvirt libvirt 0.7.1 cpe:2.3:a:libvirt:libvirt:0.7.1:*:*:*:*:*:*:*
libvirt libvirt 0.7.2 cpe:2.3:a:libvirt:libvirt:0.7.2:*:*:*:*:*:*:*
libvirt libvirt 0.7.3 cpe:2.3:a:libvirt:libvirt:0.7.3:*:*:*:*:*:*:*
libvirt libvirt 0.7.4 cpe:2.3:a:libvirt:libvirt:0.7.4:*:*:*:*:*:*:*
libvirt libvirt 0.7.5 cpe:2.3:a:libvirt:libvirt:0.7.5:*:*:*:*:*:*:*
libvirt libvirt 0.7.6 cpe:2.3:a:libvirt:libvirt:0.7.6:*:*:*:*:*:*:*
libvirt libvirt 0.7.7 cpe:2.3:a:libvirt:libvirt:0.7.7:*:*:*:*:*:*:*
libvirt libvirt 0.8.0 cpe:2.3:a:libvirt:libvirt:0.8.0:*:*:*:*:*:*:*
libvirt libvirt 0.8.1 cpe:2.3:a:libvirt:libvirt:0.8.1:*:*:*:*:*:*:*
libvirt libvirt 0.8.2 cpe:2.3:a:libvirt:libvirt:0.8.2:*:*:*:*:*:*:*

References for CVE-2010-2242

cvelogic Threat Intelligence