CVE-2017-1000353
Confirmed PUBLISHEDJenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an unauthenticated remote code execution. An unauthenticated...
1 day faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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 `SignedObject` object to the Jenkins CLI, that would be deserialized using a new `ObjectInputStream`, bypassing the existing blacklist-based protection mechanism. We're fixing this issue by adding `SignedObject` to the blacklist. We're also backporting the new HTTP CLI protocol from Jenkins 2.54 to LTS 2.46.2, and deprecating the remoting-based (i.e. Java serialization) CLI protocol, disabling it by default.
- CVE Published
- Jan 29, 2018
- Exploitation Reported
- Jun 01, 2026
- CVSS
- 9.8 Critical
- EPSS
- 99.7%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- 41965 exploit-db.com · Exploit https://www.exploit-db.com/exploits/41965/
- 98056 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/98056
- oracle.com/security-alerts/cpuapr2022.html oracle.com · CVE Record https://www.oracle.com/security-alerts/cpuapr2022.html
- jenkins.io/security/advisory/2017-04-26 jenkins.io · CVE Record https://jenkins.io/security/advisory/2017-04-26/
- packetstormsecurity.com/files/159266/Jenkins-2.56-CLI-Deserializatio... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/159266/Jenkins-2.56-CLI-Deserial...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-06-01 10:41 UTC |
| CISA | 2026-06-02 14:05 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/jenkins_cli_deserialization.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2026-06-01 13:30:37 UTC · CISA
Proof of concept available
Recorded 2019-04-12 13:24:26 UTC · GitHub
Weaknesses (CWE)
-
Deserialization of Untrusted Data
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/jenkins_cli_deserialization.rb | Apr 28, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2022-10-12 09:30:38 UTC · 3 stars
github · Created 2019-04-12 13:24:26 UTC · 56 stars
jenkins CVE-2017-1000353 POC
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:05 UTC about 2 months ago14:05 UTC · about 2 months ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
10:41 UTC about 2 months ago10:41 UTC · about 2 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
13:24 UTC over 7 years ago13:24 UTC · over 7 years ago
Public PoC available
Public proof-of-concept code published
-
17:00 UTC over 8 years ago17:00 UTC · over 8 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 8 years ago00:00 UTC · over 8 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2017-1000353
{
"cve_id": "CVE-2017-1000353",
"title": "Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulne...",
"affected_vendor": "Jenkins",
"affected_product": "Jenkins",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": 0.99686,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}