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CVE-2017-9805

HIGH
8.1
CVSS Score
Published: September 15, 2017 at 07:00 PM UTC
Updated: June 17, 2026 at 01:28 AM UTC
7 products affected across 3 vendorsStrutsOncommand BalanceHosted Collaboration Solution

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Severity
HIGH8.1
Exploitation
CISA KEV
Exploit prediction
EPSS 99%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score99.4%

EPSS (Exploit Prediction Scoring System) estimates a 99.4% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Apache Struts REST Plugin 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.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Nov 3, 2021
Remediation Due
May 3, 2022
1637 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-9805

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Struts· Apachemaven
95%
v < 2.3.342.1.2 ≤ v < 2.3.342.5.0 ≤ v < 2.5.13
Affected range stops below 2.3.34, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.5.13, so it looks safe — our inference, not a vendor statement
Digital Media Manager· Cisco
95%
All versions
Hosted Collaboration Solution· Cisco
95%
10.5(1)11.0(1)11.5(1)11.6(1)
Media Experience Engine· Cisco
95%
3.53.5.2
Network Performance Analysis· Cisco
95%
All versions
Video Distribution Suite for Internet Streaming· Cisco
95%
All versions
Oncommand Balance· NetApp
95%
All versions

References (13)

x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/100609
VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1039263
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax
x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1488482
x_refsource_CONFIRMMitigationVendor Advisory
Source: [email protected]
https://cwiki.apache.org/confluence/display/WW/S2-052
x_refsource_MISCBroken Link
Source: [email protected]
https://lgtm.com/blog/apache_struts_CVE-2017-9805
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20170907-0001/

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-502

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