CVE-2010-3753

programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 allows remote authenticated gateways to execute arbitrary commands via shell metacharacters in the cisco_banner (aka server_banner) field, a different vulnerability than CVE-2010-3308.

Published: 2010-10-05 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-3753 is rated Moderate Risk (56.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.41%). EPSS rose +1.76% over the last day, indicating growing attacker interest. 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-2010-3753

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 0.65% 2.41% +1.76%
2 2025-03-30 1.18% 0.65% -0.53%
3 2025-03-29 — 1.18% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-3753

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2010-3753

OS Trackers for CVE-2010-3753

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2010-3753
ubuntu medium CVE-2010-3753 medium priority: Ubuntu including 1 source packages (openswan), 9 status rows across 9 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 4, not-affected 4, released 1. https://ubuntu.com/security/CVE-2010-3753

Affected software / configurations for CVE-2010-3753

Vendor Product Version Raw CPE
xelerance openswan 2.6.26 cpe:2.3:a:xelerance:openswan:2.6.26:*:*:*:*:*:*:*
xelerance openswan 2.6.27 cpe:2.3:a:xelerance:openswan:2.6.27:*:*:*:*:*:*:*
xelerance openswan 2.6.28 cpe:2.3:a:xelerance:openswan:2.6.28:*:*:*:*:*:*:*

References for CVE-2010-3753

cvelogic Threat Intelligence