CVE-2007-3564

libcurl 7.14.0 through 7.16.3, when built with GnuTLS support, does not check SSL/TLS certificate expiration or activation dates, which allows remote attackers to bypass certain access restrictions.

Published: 2007-07-18 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-3564 is rated Moderate Risk (54.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.61%). 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-2007-3564

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 2025-08-12 0.53% 0.61% +0.07%
2 2025-06-24 0.42% 0.53% +0.11%
3 2025-05-04 — 0.42% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3564

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2007-3564

OS Trackers for CVE-2007-3564

vendor priority summary link
debian low CVE-2007-3564 low priority: Debian including 1 source packages (curl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-3564
redhat — — https://access.redhat.com/security/cve/CVE-2007-3564
ubuntu medium CVE-2007-3564 medium priority: Ubuntu including 1 source packages (curl), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-3564

Vendor comments (NVD) for CVE-2007-3564

  • Red Hat (2007-07-20T00:00:00)

    Not vulnerable. The curl packages as shipped with Red Hat Enterprise Linux versions 2.1, 3, 4 and 5 are not linked against the gnutls library.

Affected software / configurations for CVE-2007-3564

Vendor Product Version Raw CPE
libcurl libcurl 7.14 cpe:2.3:a:libcurl:libcurl:7.14:*:*:*:*:*:*:*
libcurl libcurl 7.14.1 cpe:2.3:a:libcurl:libcurl:7.14.1:*:*:*:*:*:*:*
libcurl libcurl 7.15 cpe:2.3:a:libcurl:libcurl:7.15:*:*:*:*:*:*:*
libcurl libcurl 7.15.1 cpe:2.3:a:libcurl:libcurl:7.15.1:*:*:*:*:*:*:*
libcurl libcurl 7.15.2 cpe:2.3:a:libcurl:libcurl:7.15.2:*:*:*:*:*:*:*
libcurl libcurl 7.15.3 cpe:2.3:a:libcurl:libcurl:7.15.3:*:*:*:*:*:*:*
libcurl libcurl 7.16.3 cpe:2.3:a:libcurl:libcurl:7.16.3:*:*:*:*:*:*:*

References for CVE-2007-3564

cvelogic Threat Intelligence