CVE-2013-0250

Exp

The init_nss_hash function in exec/totemcrypto.c in Corosync 2.0 before 2.3 does not properly initialize the HMAC key, which allows remote attackers to cause a denial of service (crash) via a crafted packet.

Published: 2014-06-06 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-0250 is rated High Exploit Risk (61.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.94%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-0250

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-0250

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 2025-06-25 0.76% 0.94% +0.18%
2 2025-03-30 1.82% 0.76% -1.05%
3 2025-03-29 — 1.82% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0250

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-2013-0250

OS Trackers for CVE-2013-0250

vendor priority summary link
debian unimportant CVE-2013-0250 unimportant priority: Debian including 1 source packages (corosync), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-0250
redhat medium — https://access.redhat.com/security/cve/CVE-2013-0250
ubuntu medium CVE-2013-0250 medium priority: Ubuntu including 1 source packages (corosync), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): not-affected 4, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2013-0250

NVD evaluator notes for CVE-2013-0250

Comment: Per: http://cwe.mitre.org/data/definitions/665.html "CWE-665: Improper Initialization"

Affected software / configurations for CVE-2013-0250

Vendor Product Version Raw CPE
corosync corosync 2.0.0 cpe:2.3:a:corosync:corosync:2.0.0:*:*:*:*:*:*:*
corosync corosync 2.0.1 cpe:2.3:a:corosync:corosync:2.0.1:*:*:*:*:*:*:*
corosync corosync 2.0.2 cpe:2.3:a:corosync:corosync:2.0.2:*:*:*:*:*:*:*
corosync corosync 2.0.3 cpe:2.3:a:corosync:corosync:2.0.3:*:*:*:*:*:*:*
corosync corosync 2.1.0 cpe:2.3:a:corosync:corosync:2.1.0:*:*:*:*:*:*:*
corosync corosync 2.1.1 cpe:2.3:a:corosync:corosync:2.1.1:*:*:*:*:*:*:*
corosync corosync 2.2.0 cpe:2.3:a:corosync:corosync:2.2.0:*:*:*:*:*:*:*

References for CVE-2013-0250

cvelogic Threat Intelligence