CVE-2015-6587

The vlserver in OpenAFS before 1.6.13 allows remote authenticated users to cause a denial of service (out-of-bounds read and crash) via a crafted regular expression in a VL_ListAttributesN2 RPC.

Published: 2015-09-02 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-6587 is rated Moderate Risk (44.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.93%). EPSS rose +1.31% 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-2015-6587

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 0.62% 1.93% +1.31%
2 2025-06-10 0.70% 0.62% -0.07%
3 2025-03-30 — 0.70% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6587

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/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:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2015-6587

OS Trackers for CVE-2015-6587

vendor priority summary link
debian not yet assigned CVE-2015-6587 not yet assigned priority: Debian including 1 source packages (openafs), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2015-6587
ubuntu medium CVE-2015-6587 medium priority: Ubuntu including 1 source packages (openafs), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): released 3, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2015-6587

Affected software / configurations for CVE-2015-6587

Vendor Product Version Raw CPE
openafs openafs <= 1.6.12 cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2015-6587

cvelogic Threat Intelligence