CVE-2015-0294

GnuTLS before 3.3.13 does not validate that the signature algorithms match when importing a certificate.

Published: 2020-01-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-0294 is rated Moderate Risk (56.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.59%). Core evidence: EPSS rose +1.16% over the last day, indicating growing attacker interest. Mandatory action: 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-2015-0294

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 0.43% 1.59% +1.16%
2 2026-04-22 0.58% 0.43% -0.16%
3 2025-07-12 0.58%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0294

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-0294

OS Trackers for CVE-2015-0294

vendor priority summary link
debian not yet assigned CVE-2015-0294 not yet assigned priority: Debian including 1 source packages (gnutls28), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-0294
redhat low https://access.redhat.com/security/cve/CVE-2015-0294
ubuntu low CVE-2015-0294 low priority: Ubuntu including 2 source packages (gnutls26, gnutls28), 28 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): released 14, DNE 11, ignored 2, needs-triage 1. https://ubuntu.com/security/CVE-2015-0294

Affected software / configurations for CVE-2015-0294

Vendor Product Version Raw CPE
gnu gnutls < 3.3.13 cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
redhat enterprise_linux 5.0 cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
redhat enterprise_linux 7.0 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

References for CVE-2015-0294

cvelogic Threat Intelligence