CVE-2015-4902
CVE-2015-4902 is a security flaw in Oracle Java SE, which runs apps on computers and servers. Attackers are using a flaw in Oracle Java SE that its maker hasn't described in detail. The US Cybersecurity and Infrastructure Security Agency (CISA) added it to its catalog of flaws known to be used in attacks on 3 Mar 2022.[1]
Oracle Java SE is in things households have, such as phones, computers, browsers and everyday apps, so the fix matters at home as much as at work.
Description
CISA calls it an integrity check in Oracle Java SE. In its words: “Unspecified vulnerability in Oracle Java SE allows remote attackers to affect integrity via Unknown vectors related to deployment.”[1]
The underlying weakness is improper access control (CWE-284), in MITRE’s list of common software weaknesses.[2]
It scores 5.3 out of 10 on the Common Vulnerability Scoring System, which rates it medium, scored by the organisation that published the CVE using CVSS 3.1.[2]
Affected versions
NVD’s record doesn’t list version ranges for it. CISA names the product as Oracle Java SE.
Every device with Oracle Java SE needs the update.
Exploitation
CISA added it to its catalog of known exploited vulnerabilities on 3 Mar 2022, 2,324 days after it was made public. CISA lists a flaw only when it has reliable evidence of it being exploited, and gave US federal agencies until 24 Mar 2022 to fix it.[1]
FIRST’s Exploit Prediction Scoring System, which estimates how likely a flaw is to be used in attacks in the next 30 days from what it sees across the internet, puts it at 14%. That’s in the top 4% of the flaws it scores.[3]
CISA assesses it as automatable: attackers can run it against many targets at once.
CISA doesn’t say who was attacked, or how.
Fix
CISA’s required action: “Apply updates per vendor instructions.”[1]
- Update Oracle Java SE now.Install the latest update from Oracle on every device that has it, and restart when asked. Then turn on automatic updates, so the next fix arrives on its own.
- If there’s no update, stop using it.CISA’s advice when a flaw being used in attacks has no fix is to stop using the product until it does.
Timeline
| Date | Event |
|---|---|
| The flaw is made public in the National Vulnerability Database, with a severity score of 5.3.[2] | |
| CISA adds it to its catalog of flaws known to be used in attacks.[1] | |
| CISA’s deadline for US government agencies to fix it.[1] | |
| FIRST puts the odds of it being used in attacks in the next 30 days at 14%.[3] |
See also
Other Oracle Java SE flaws
- CVE-2013-2465: unspecified ·
- CVE-2012-5076: sandbox bypass ·
- CVE-2015-2590: and java SE embedded remote code execution ·
- CVE-2012-4681: runtime environment (JRE) arbitrary code execution ·
- CVE-2012-1723: runtime environment (JRE) arbitrary code execution ·
- CVE-2012-0507: runtime environment (JRE) arbitrary code execution ·
Other Oracle flaws
- CVE-2026-21962, Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in: improper access control ·
- CVE-2026-46817, Oracle E-Business Suite: improper privilege management ·
- CVE-2026-35273, Oracle PeopleSoft Enterprise PeopleTools: missing authentication for critical function ·
- CVE-2024-21182, Oracle WebLogic Server: unspecified ·
- CVE-2025-61757, Oracle Fusion Middleware: missing authentication for critical function ·
Other improper access control flaws
- CVE-2015-3306, ProFTPD: improper access control ·
- CVE-2026-56290, Joomlack Page Builder: improper access control ·
- CVE-2026-34908, Ubiquiti UniFi OS: improper access control ·
- CVE-2026-48907, Widget Factory Joomla Content Editor: improper access control ·
- CVE-2026-35616, Fortinet FortiClient EMS: improper access control ·
Added the same day
- CVE-2022-20708, Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers: small business RV series routers stack-based buffer overflow ·
- CVE-2022-20703, Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers: small business RV series routers stack-based buffer overflow ·
- CVE-2022-20701, Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers: small business RV series routers stack-based buffer overflow ·
- CVE-2022-20700, Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers: small business RV series routers stack-based buffer overflow ·
- CVE-2022-20699, Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers: small business RV series routers stack-based buffer overflow ·
Every Oracle flaw on CISA’s list · Everything added in March 2022
References
- ^ Cybersecurity and Infrastructure Security Agency. “Oracle Java SE Integrity Check Vulnerability”. Known Exploited Vulnerabilities Catalog, added 3 Mar 2022.
- ^ National Institute of Standards and Technology. “CVE-2015-4902 Detail”. National Vulnerability Database, published 22 Oct 2015.
- ^ FIRST. “Exploit Prediction Scoring System”. EPSS 0.136, percentile 96.5, 31 Oct 2026.
- CVE Program. “CVE-2015-4902”. The official CVE record.
This article is built from CISA’s catalog (version 2026.10.30), NVD’s record and FIRST’s scores, kept in HARD’s database and checked every morning. The plain English is HARD’s.