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CVE-2018-5413· NVD / CVE Program· CNA certcc

Imperva SecureSphere running v13.0, v12.0, or v11.5 allows low privileged users to add SSH login keys to the admin user, resulting in privil

Imperva SecureSphere running v13.0, v12.0, or v11.5 allows low privileged users to add SSH login keys to the admin user, resulting in privilege escalation.

HighCVSS 8.8 · v3.0—No exploit No fix recorded
Published
Jan 10, 2019
Updated
Jun 16, 2026
EPSS
1.3% · 68th percentile
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Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.3%

Affected systems

VendorProduct
impervasecuresphere

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • imperva securesphere11.5
  • imperva securesphere12.0
  • imperva securesphere13.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (certcc). Independent of NVD's CPE analysis and usually ahead of it.

  • Imperva SecureSphere

    • unspecified and later · up to and including 13.0affected

Same product

imperva: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-16660A command injection vulnerability in PWS in Imperva SecureSphere 13.0.0.10 and 13.1.0.10 Gateway allows an attacker with authenticated acces
    40Plan
  • CVE-2018-19646The Python CGI scripts in PWS in Imperva SecureSphere 13.0.10, 13.1.10, and 13.2.10 allow remote attackers to execute arbitrary OS commands
    40Plan
  • CVE-2018-5403Imperva SecureSphere gateway (GW) running v13, for both pre-First Time Login or post-First Time Login (FTL), if the attacker knows the basic
    33Monitor
  • CVE-2013-4091The SecureSphere Operations Manager (SOM) Management Server in Imperva SecureSphere 9.0.0.5 does not have an off autocomplete attribute for
    32Monitor
  • CVE-2018-5412Imperva SecureSphere running v12.0.0.50 is vulnerable to local arbitrary code execution, escaping sealed-mode.
    31Monitor
  • CVE-2013-4095plain/actionsets.html in the SecureSphere Operations Manager (SOM) Management Server in Imperva SecureSphere 9.0.0.5 allows remote authentic
    28Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-250 · Execution with Unnecessary Privileges

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

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Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

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