CVE-2010-2266

Exp

nginx 0.8.36 allows remote attackers to cause a denial of service (crash) via certain encoded directory traversal sequences that trigger memory corruption, as demonstrated using the "%c0.%c0." sequence.

Published: 2010-06-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-2266 is rated High Exploit Risk (74.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 21.51%, 97th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +14.25% 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-2010-2266

EDB-ID Source Kind Published Link
13818 exploit_db edb 2010-06-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2010-2266

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 7.26% 21.51% +14.25%
2 2026-03-02 7.50% 7.26% -0.24%
3 2025-12-28 — 7.50% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2266

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-2010-2266

OS Trackers for CVE-2010-2266

vendor priority summary link
debian unimportant CVE-2010-2266 unimportant priority: Debian including 1 source packages (nginx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-2266
ubuntu medium CVE-2010-2266 medium priority: Ubuntu including 1 source packages (nginx), 8 status rows across 8 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, upstream): not-affected 4, ignored 2, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2010-2266

Affected software / configurations for CVE-2010-2266

Vendor Product Version Raw CPE
f5 nginx >= 0.7.52, < 0.7.67 cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
f5 nginx >= 0.8.0, <= 0.8.40 cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*

References for CVE-2010-2266

URL Tags
http://www.exploit-db.com/exploits/13818/ Exploit Third Party Advisory VDB Entry
cvelogic Threat Intelligence