CVE-2010-3549

CVE-2010-3549 is a medium-severity vulnerability in Sun Jre with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in the Networking component in Oracle Java SE and Java for Business 6 Update 21, 5.0 Update 25, 1.4.2_27, and 1.3.1_28 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the October 2010 CPU. Oracle has not commented on claims from a reliable downstream vendor that this is an HTTP request splitting vulnerability involving the handling of the chunked transfer encoding method by the HttpURLConnection class.

Frequently asked questions

What is CVE-2010-3549?
Unspecified vulnerability in the Networking component in Oracle Java SE and Java for Business 6 Update 21, 5.0 Update 25, 1.4.2_27, and 1.3.1_28 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the October 2010 CPU. Oracle has not commented on claims from a reliable downstream vendor that this is an HTTP request splitting vulnerability involving the handling of the chunked transfer encoding method by the HttpURLConnection class.
How severe is CVE-2010-3549?
CVE-2010-3549 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2010-3549 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3549?
CVE-2010-3549 primarily affects Sun Jre. In total, 255 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3549?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3549 published?
CVE-2010-3549 was published on 2010-10-19 and last updated on 2026-06-16.

References

Affected products (255)

More vulnerabilities in Sun Jre

All CVEs affecting Sun Jre →