CVE-2016-4437

unknown KEV

Published 2022-05-14 · Modified 2021-11-03

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CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H

CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

Apache Shiro contains a vulnerability which may allow remote attackers to execute code or bypass intended access restrictions via an unspecified request parameter when a cipher key has not been configured for the "remember me" feature.

CISA KEV

Vendor: Apache
Product: Shiro
Due date: 2022-05-03

Predictions

Exploit likelihood

99%

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 with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-48410 remote multiple verified

Metasploit · 2020-05-01

Apache Shiro 1.2.4 - Cookie RememberME Deserial RCE (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_multi/http/shiro_rememberme_v124_deserialize rank 600

Apache Shiro v1.2.4 Cookie RememberME Deserial RCE

Source fetch failed: fetch_error — view the original via the link above.

OS impact

Debian Fixed 4 releases

Version	Status	Fixed in
trixie	Fixed	`1.2.5-1`
sid	Fixed	`1.2.5-1`
bullseye	Fixed	`1.2.5-1`
bookworm	Fixed	`1.2.5-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.apache.shiro:shiro-core	`<1.2.5`	`1.2.5`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.