CVE-2023-29218: The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction

Q: How do I fix CVE-2023-29218?

recommendation algorithm: upgrade to newer than 2023-03-31. Exact commands for each OS are on this page.

Q: Is CVE-2023-29218 being exploited?

CVE-2023-29218 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-29218 affect?

CVE-2023-29218 affects recommendation algorithm. Severity is high (CVSS 7.5). The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as

Q: How urgent is CVE-2023-29218?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2023-29218 is a high-severity flaw (CVSS 7.5) affecting recommendation algorithm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as unfollowing, muting, blocking, and reporting, as exploited in the wild in March and April 2023. NOTE: Vendor states that allowing users to unfollow, mute, block, and report tweets and accounts and the impact o

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Published	2023-04-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: twitter

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-03 21:15 UTCPublished CVE record published
2026-06-17 05:49 UTCUpdated Record last modified

twitter recommendation algorithm UPGRADE

Affected: <= 2023-03-31

Fixed in: newer than 2023-03-31

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy recommendation-algorithm || rpm -q recommendation-algorithm || recommendation-algorithm --version

2. UPGRADE to newer than 2023-03-31 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade recommendation-algorithm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade recommendation-algorithm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-29218?

recommendation algorithm: upgrade to newer than 2023-03-31. Exact commands for each OS are on this page.

Is CVE-2023-29218 being exploited?

CVE-2023-29218 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-29218 affect?

CVE-2023-29218 affects recommendation algorithm. Severity is high (CVSS 7.5). The Twitter Recommendation Algorithm through ec83d01 allows attackers to cause a denial of service (reduction of reputation score) by arranging for multiple Twitter accounts to coordinate negative signals regarding a target account, such as

How urgent is CVE-2023-29218?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

References

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