CVE-2017-9805
100Vexday Risk Score
Patch now. It under exploitation confirmed by CISA and has a working public exploit.
ssvc Actcvss 8.1epss 99%
from disclosure to weapon0 days
Published on NVDSep 15
1st PoCSep 6
metasploitSep 5
CISA KEV+1510d
exploitation probability
99%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
41 public exploit(s)
Action required by CISAfederal deadline: 2022-05-03
Apply updates per vendor instructions.
Versions
Affected
maven/org.apache.struts:struts2-rest-plugin >= 2.5.0, < 2.5.13; maven/org.apache.struts:struts2-rest-plugin >= 2.1.1, < 2.3.34
Fixed in
maven/org.apache.struts:struts2-rest-plugin 2.5.13; maven/org.apache.struts:struts2-rest-plugin 2.3.34
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.
The REST Plugin in Apache Struts 2.1.1 through 2.3.x before 2.3.34 and 2.5.x before 2.5.13 uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to Remote Code Execution when deserializing XML payloads.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Apache Software Foundation · Apache Strutspublic PoCs found — 41
exploitdbwww.exploit-db.com/exploits/42627unverifiedgithubgithub.com/mazen160/struts-pwn_CVE-2017-9805★ 247githubgithub.com/luc10/struts-rce-cve-2017-9805★ 60githubgithub.com/chrisjd20/cve-2017-9805.py★ 21githubgithub.com/0x00-0x00/-CVE-2017-9805★ 15githubgithub.com/Lone-Ranger/apache-struts-pwn_CVE-2017-9805★ 5githubgithub.com/hahwul/struts2-rce-cve-2017-9805-ruby★ 3githubgithub.com/Shakun8/CVE-2017-9805★ 3githubgithub.com/jongmartinez/-CVE-2017-9805-★ 1githubgithub.com/BeyondCy/S2-052★ 1githubgithub.com/0xd3vil/CVE-2017-9805-Exploit★ 1githubgithub.com/UbuntuStrike/struts_rest_rce_fuzz-CVE-2017-9805-★ 1githubgithub.com/NoSpaceAvailable/CVE-2017-9805_example_build★ 0githubgithub.com/UbuntuStrike/CVE-2017-9805-Apache-Struts-Fuzz-N-Sploit★ 0githubgithub.com/AvishkaSenadheera/CVE-2017-9805---Documentation---IT19143378★ 0githubgithub.com/wifido/CVE-2017-9805-Exploit★ 0githubgithub.com/rvermeulen/apache-struts-cve-2017-9805★ 0githubgithub.com/z3bd/CVE-2017-9805★ 0githubgithub.com/Fl5xia/CVE-2017-9805★ 0githubgithub.com/7s26simon/CVE-2017-9805-S2-052★ 0githubgithub.com/Experience-rookie/struts-s2-052-deserialization-rce-lab★ 0vulncheckvulncheck.com/xdb/018ad44965ddunverifiedvulncheckvulncheck.com/xdb/1924e716f393unverifiedvulncheckvulncheck.com/xdb/89e15b68ef36unverifiedvulncheckvulncheck.com/xdb/dc089c9c541cunverifiedvulncheckvulncheck.com/xdb/78bca3ee80a0unverifiedvulncheckvulncheck.com/xdb/43c0e5c2df29unverifiedvulncheckvulncheck.com/xdb/c7c9392dc94bunverifiedvulncheckvulncheck.com/xdb/67009c2393e1unverifiedvulncheckvulncheck.com/xdb/c9bed43f97a4unverifiedvulncheckvulncheck.com/xdb/92481de257f5unverifiedvulncheckvulncheck.com/xdb/5d8bf4c938d9unverifiedvulncheckvulncheck.com/xdb/e922bd12de1dunverifiedvulncheckvulncheck.com/xdb/6300c647a9baunverifiedvulncheckvulncheck.com/xdb/bd12f850ebbeunverifiedvulncheckvulncheck.com/xdb/c82af784f562unverifiedvulncheckvulncheck.com/xdb/d274ccdd5a14unverifiedvulncheckvulncheck.com/xdb/4629537f1e9aunverifiedcve_referencewww.exploit-db.com/exploits/42627/unverifiedvulncheckvulncheck.com/xdb/0ea476fd1c98unverifiedvulncheckvulncheck.com/xdb/1fa5f1889be6unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifaxhttps://bugzilla.redhat.com/show_bug.cgi?id=1488482https://cwiki.apache.org/confluence/display/WW/S2-052https://lgtm.com/blog/apache_struts_CVE-2017-9805https://security.netapp.com/advisory/ntap-20170907-0001/https://struts.apache.org/docs/s2-052.htmlhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9805https://www.exploit-db.com/exploits/42627/https://www.kb.cert.org/vuls/id/112992http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.htmlhttp://www.securityfocus.com/bid/100609