CVE-2020-10199
100Vexday Risk Score
Patch now. It under exploitation confirmed by CISA and has a working public exploit.
ssvc Actcvss 8.8epss 99%
from disclosure to weapon6 days
Published on NVDApr 1
1st PoC+6d
metasploitMar 31
CISA KEV+581d
exploitation probability
99%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
16 public exploit(s)
Action required by CISAfederal deadline: 2022-05-03
Apply updates per vendor instructions.
Versions
Affected
maven/org.sonatype.nexus:nexus-extdirect < 3.21.2
Fixed in
maven/org.sonatype.nexus:nexus-extdirect 3.21.2
Researched and written with AI from the vendor advisory and public analysis, with the sources above. Always confirm the fixed version in the official advisory before acting.
Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · n/apublic PoCs found — 16✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/48343exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/49385githubgithub.com/zhzyker/CVE-2020-10199_POC-EXP★ 42githubgithub.com/jas502n/CVE-2020-10199★ 35githubgithub.com/aleenzz/CVE-2020-10199★ 31githubgithub.com/magicming200/CVE-2020-10199_CVE-2020-10204★ 25githubgithub.com/wsfengfan/CVE-2020-10199-10204★ 19githubgithub.com/hugosg97/CVE-2020-10199-Nexus-3.21.01★ 0vulncheckvulncheck.com/xdb/0f9f7c06a94aunverifiedcve_referencepacketstormsecurity.com/files/160835/Sonatype-Nexus-3.21.1-Remote-Code-Execution.htmlunverifiedcve_referencepacketstormsecurity.com/files/157261/Nexus-Repository-Manager-3.21.1-01-Remote-Code-Execution.htmlunverifiedvulncheckvulncheck.com/xdb/9976ab7ad418unverifiedvulncheckvulncheck.com/xdb/048585ad5357unverifiedvulncheckvulncheck.com/xdb/7f2c12104507unverifiedvulncheckvulncheck.com/xdb/ae19d3a890a2unverifiedvulncheckvulncheck.com/xdb/8f1e150efe66unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://packetstormsecurity.com/files/157261/Nexus-Repository-Manager-3.21.1-01-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/160835/Sonatype-Nexus-3.21.1-Remote-Code-Execution.htmlhttps://cwe.mitre.org/data/definitions/917.htmlhttps://support.sonatype.com/hc/en-us/articles/360044882533https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10199