What is CVE-2010-3300?

CVE-2010-3300 is a medium-severity vulnerability in Owasp Enterprise Security API For Java, classified under CWE-649. CVSS score: 5.9/10. Published 2021-06-22.

How severe is CVE-2010-3300?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Owasp Enterprise Security API For Java

CVE-2010-3300

It was found that all OWASP ESAPI for Java up to version 2.0 RC2 are vulnerable to padding oracle attacks.

Published 2021-06-22 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (39.1th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Owasp Enterprise Security API For Java — versions 2.0
Owasp Esapi — versions OWASP ESAPI for Java up to version 2.0 RC2

Weakness classification (CWE)

CWE-649

References

www.usenix.org/legacy/events/woot10/tech/full_papers/Rizzo.pdf (Third Party Advisory)
seclists.org/oss-sec/2010/q3/357 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2010-3300?: CVE-2010-3300 is a medium-severity vulnerability in Owasp Enterprise Security API For Java, classified under CWE-649. CVSS score: 5.9/10. Published 2021-06-22.
How severe is CVE-2010-3300?: Medium severity. CVSS v3 base score is 5.9 out of 10.