CVE-2010-2266
CVE-2010-2266 is a medium-severity vulnerability in F5 Nginx with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 22% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: F5 Nginx
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2010-2266?
- 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.
- How severe is CVE-2010-2266?
- CVE-2010-2266 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2010-2266 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2010-2266?
- CVE-2010-2266 affects F5 Nginx. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2010-2266?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2010-2266 published?
- CVE-2010-2266 was published on 2010-06-15 and last updated on 2026-06-16.
References
Affected products (1)
- cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
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