What is CVE-2017-1000353?

CVE-2017-1000353 is a critical-severity vulnerability in Jenkins, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-01-29.

How severe is CVE-2017-1000353?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2017-1000353 known to be exploited?

Yes. CVE-2017-1000353 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-10-02), indicating it is being actively exploited. 71 public proof-of-concept repositories are indexed.

Deserialization in Jenkins

CVE-2017-1000353

Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an unauthenticated remote code execution. An unauthenticated remote code execution vulnerability allowed attackers to transfer a serialized Java `SignedO…

Vulnerability class: Insecure Deserialization

EPSS: 0.997 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins
Oracle Communications_cloud_native_core_automated_test_suite — versions 1.9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-10-02. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-10-23.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (vdb-entry, Broken Link, x_refsource_BID)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (Permissions Required, VDB Entry, Third Party Advisory, x_refsource_MISC)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2017-1000353?: CVE-2017-1000353 is a critical-severity vulnerability in Jenkins, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-01-29.
How severe is CVE-2017-1000353?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-1000353 known to be exploited?: Yes. CVE-2017-1000353 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-10-02), indicating it is being actively exploited. 71 public proof-of-concept repositories are indexed.