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CVE-2018-1321· NVD / CVE Program· CNA apache

An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2.0.8, and unsupported releases 1

Noroxi assessment

Priority: Monitor (action score 33/100)

  • Public proof-of-concept code exists (Exploit-DB); there is no record of exploitation in the wild.
  • Probability of exploitation in the next 30 days: 17.5% (FIRST EPSS); higher than 97% of all records.
  • Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: org.apache.syncope:syncope-core (Maven) 2.0.8, 1.2.11.

Low priority for now. Upgrade to org.apache.syncope:syncope-core (Maven) 2.0.8, 1.2.11 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

An administrator with report and template entitlements in Apache Syncope 1.2.x before 1.2.11, 2.0.x before 2.0.8, and unsupported releases 1.0.x and 1.1.x which may be also affected, can use XSL Transformations (XSLT) to perform malicious operations, including but not limited to file read, file write, and code execution.

HighCVSS 7.2 · v3.0—Proof of concept Fix available
Published
Mar 20, 2018
Updated
Jun 16, 2026
EPSS
17.5% · 97th percentile

Report tools

JSON

Action score

33

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
5 / 30 · 17.5%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • Proof of concept exists, no weaponized module
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2018-1321

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
apachesyncope

Affected versions

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

  • apache syncope1.2.0 and later · before 1.2.11
  • apache syncope2.0.0 and later · before 2.0.8
  • apache syncope1.0.0
  • apache syncope1.0.4
  • apache syncope1.0.5
  • apache syncope1.0.6
  • apache syncope1.0.7
  • apache syncope1.0.8
  • apache syncope1.0.9
  • apache syncope1.1.0
  • apache syncope1.1.1
  • apache syncope1.1.2
  • apache syncope1.1.3
  • apache syncope1.1.4
  • apache syncope1.1.5
  • apache syncope1.1.6
  • apache syncope1.1.7
  • apache syncope1.1.8
  • apache syncope1.2.0

Versions reported by the vendor

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

  • Apache Software Foundation Apache Syncope

    • Releases prior to 1.2.11, Releases prior to 2.0.8, The unsupported Releases 1.0.x, 1.1.x may be also affected.affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Mavenorg.apache.syncope:syncope-corefrom 2.0.0 · before 2.0.82.0.8
Mavenorg.apache.syncope:syncope-corebefore 1.2.111.2.11

Same product

apache: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-1961Vulnerability to Server-Side Template Injection on Mail templates for Apache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to
    40Plan
  • CVE-2020-1959A Server-Side Template Injection was identified in Apache Syncope prior to 2.1.6 enabling attackers to inject arbitrary Java EL expressions,
    40Plan
  • CVE-2026-63071Apache Syncope: RCE via Groovy Sandbox bypass
    39Monitor
  • CVE-2026-62183Apache Syncope: User self-service privilege escalation
    39Monitor
  • CVE-2026-57308Apache Syncope: SQL injection vulnerability in Audit Events search
    39Monitor
  • CVE-2026-53421Apache Syncope: Remote Code Execution via Scripted Connector
    39Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
Maven:org.apache.syncope:syncope-core1.2.11Package registry (OSV)
Maven:org.apache.syncope:syncope-core2.0.8Package registry (OSV)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2018-09-13

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.

  1. Published
  2. First PoC+176 d
  3. TodayOct 12, 2026+3128 d
EPSS, last 120 days-1% in 7 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

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • 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
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:H/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.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records