CVE-2021-41593
What it is
Lightning Labs lnd before 0.13.3-beta allows loss of funds because of dust HTLC exposure.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data tampering.
- Exploit odds
- 1.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.9% in the next 30 days (EPSS).
- Severity: 8.6 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.9% · EPSS, next 30 days
- Weakness
- CWE-770 · Allocation without limits
- Record status
- Modified
Affected
- Lightning Network Daemon Project Lightning Network Daemon < 0.11.0
- Lightning Network Daemon Project Lightning Network Daemon 0.11.0
- Lightning Network Daemon Project Lightning Network Daemon 0.11.1
- Lightning Network Daemon Project Lightning Network Daemon 0.12.0
- Lightning Network Daemon Project Lightning Network Daemon 0.12.1
- Lightning Network Daemon Project Lightning Network Daemon 0.13.0
- Lightning Network Daemon Project Lightning Network Daemon 0.13.1
- Lightning Network Daemon Project Lightning Network Daemon 0.13.2
Attack profile CVSS 3.1 · 8.6
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-41593.md and follow it. Check whether this project is affected by CVE-2021-41593. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html
- https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html
References
- https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing
- https://github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.13.3.md
- https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html
- https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing
- https://github.com/lightningnetwork/lnd/blob/master/docs/release-notes/release-notes-0.13.3.md
- https://github.com/lightningnetwork/lnd/releases/tag/v0.13.3-beta
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html