CVE-2013-0443

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-02 · updated 2026-06-16

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 through Update 11, 6 through Update 38, 5.0 through Update 38, and 1.4.2_40 and earlier, and OpenJDK 6 and 7, allows remote attackers to affect confidentiality and integrity via vectors related to JSSE. NOTE: the previous information is from the February 2013 CPU. Oracle has not commented on claims from another vendor that this issue is related to incorrect validation of Diffie-Hellman keys, which allows remote attackers to conduct a "small subgroup attack" to force the use of weak session keys or obtain sensitive information about the private key.

Affected products

Oracle Java SE: through 1.4.2_40; 1.7.0, 1.7.0-update1, 1.7.0-update10, 1.7.0-update11, 1.7.0-update2, 1.7.0-update3 (+23)
Oracle Java SE: through 1.4.2_40; 1.7.0, 1.7.0-update1, 1.7.0-update10, 1.7.0-update11, 1.7.0-update2, 1.7.0-update3 (+23)
Sun Jdk: 1.6.0, 1.6.0-update_10, 1.6.0-update_11, 1.6.0-update_12, 1.6.0-update_13, 1.6.0-update_14 (+84)
Sun Jre: 1.6.0, 1.6.0-update_1, 1.6.0-update_10, 1.6.0-update_11, 1.6.0-update_12, 1.6.0-update_13 (+85)

References

Get alerted when CVE-2013-0443 or the next vulnerability affects your stack