CVE-2015-0565

Exp

NaCl in 2015 allowed the CLFLUSH instruction, making rowhammer attacks possible.

Published: 2020-02-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-0565 is rated High Exploit Risk (93.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.25%, 96th percentile). 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +6.40% over the last day, indicating growing attacker interest. 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-2015-0565

EDB-ID Source Kind Published Link
36311 exploit_db edb 2015-03-09 Exploit-DB ↗
36310 exploit_db edb 2015-03-09 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-0565

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 6.85% 13.25% +6.40%
2 2026-06-11 18.74% 6.85% -11.89%
3 2026-02-13 — 18.74% —

Full EPSS history (30 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0565

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H 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:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 6.0 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-0565

OS Trackers for CVE-2015-0565

vendor priority summary link
debian unimportant CVE-2015-0565 unimportant priority: Debian including 1 source packages (nacl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2015-0565
ubuntu medium CVE-2015-0565 medium priority: Ubuntu including 1 source packages (chromium-browser), 5 status rows across 5 suites (bionic, focal, trusty, upstream, xenial): ignored 3, DNE 2. https://ubuntu.com/security/CVE-2015-0565

Affected software / configurations for CVE-2015-0565

Vendor Product Version Raw CPE
google native_client 2015 cpe:2.3:a:google:native_client:2015:*:*:*:*:*:*:*

References for CVE-2015-0565

cvelogic Threat Intelligence