CVE-2015-5317 Jenkins Jenkins User Interface (UI): information leak
In plain words: The program reveals information it should keep private. Leaked secrets — tokens, passwords or memory contents — that help a bigger attack.
Confirmed exploited by CISA on · US federal patch deadline Jun 2, 2023
What to do
- Install Jenkins's security update for Jenkins User Interface (UI). If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Jenkins User Interface (UI) Information Disclosure Vulnerability
- Product
- Jenkins Jenkins User Interface (UI)
- CISA description
- Jenkins User Interface (UI) contains an information disclosure vulnerability that allows users to see the names of jobs and builds otherwise inaccessible to them on the "Fingerprints" pages.
- Type of flaw
- Information leak (CWE-200)
- Confirmed exploited
- May 12, 2023
- US federal patch deadline
- Jun 2, 2023
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Answering about CVE-2015-5317 ·
Questions about CVE-2015-5317
Is CVE-2015-5317 being exploited?
Yes. CISA added CVE-2015-5317 to its Known Exploited Vulnerabilities catalog on May 12, 2023, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2015-5317?
Install Jenkins's security update for Jenkins User Interface (UI). If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2015-5317?
Only if you use Jenkins Jenkins User Interface (UI). Aimed mostly at company systems — you are affected through the companies you use, not your own phone.