CVE-2019-12422

mediumpriority · track · 43EPSS 0.091 · 95 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

9.10% (95th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Apache Shiro before 1.4.2, when using the default "remember me" configuration, cookies could be susceptible to a padding attack.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

exploits (1)

Public proof-of-concept and weaponised exploit code.

BaiHLiu/RuoYI-4.2-Shiro-721-Docker-PoC若依4.2 (Shiro 1.4.1) Shiro-721 (CVE-2019-12422)漏洞复现环境PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

Apache Shiro≤ to 1.4.1enisa_euvdEU
Apache Software Foundation Shiro≤ 1.4.2fstec_bduRU
apache shiro< 1.4.2nvdUScpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:*
Maven org.apache.shiro:shiro-core< 1.4.2osvUSpkg:maven/org.apache.shiro/shiro-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-r679-m633-g7wcImproper input validation in Apache Shiro2020-02-04ghsa · osvUS
Apache Shiro before 1.4.2, when using the default "remember me" configuration, cookies could be susceptible to a padding attack.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2019-11-18modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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