CVE-2021-21693General(jenkins / jenkins)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-863

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • jenkins

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
jenkins

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-16: 1Technical Details · 2026-05-16: 105-16
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Israel@f1tym1
    General

    CVE-2021-21693 | Jenkins up to LTS 2.303.2/2.318 Agent-to-Controller improper authorization (EUVD-2022-3269) https://ift.tt/A5z0SQD A vulnerability labeled as critical has been found in Jenkins up to LTS 2.303.2/2.318. Impacted is an unknown function of the component Agent-to-…

    Post summary

    The text briefly states that CVE-2021-21693 is a critical Jenkins vulnerability involving improper authorization in the Agent-to-Controller component, providing a link for further details but lacking explicit PoC, exploit, or patch information.

    0000032
    974 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appjenkinsjenkins---
Appjenkinsjenkins---

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