CVE-2021-27850
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
1.0
Description
Remote code execution in Apache Tapestry
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Metasploit modules
Source fetch failed: fetch_error — view the original via the link above.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.apache.tapestry:tapestry-core | >=5.4.0,<5.6.3 | 5.6.3 |
| Maven | org.apache.tapestry:tapestry-core | >=5.7.0,<5.7.1 | 5.7.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-27850
- https://issues.apache.org/jira/browse/TAP5-2663
- https://lists.apache.org/thread.html/r237ff7f286bda31682c254550c1ebf92b0ec61329b32fbeb2d1c8751%40%3Cusers.tapestry.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210528-0002
- http://www.openwall.com/lists/oss-security/2021/04/15/1
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.