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CVE-2023-42480· NVD / CVE Program· CNA sap

Information Disclosure in NetWeaver AS Java Logon

The unauthenticated attacker in NetWeaver AS Java Logon application - version 7.50, can brute force the login functionality to identify the legitimate user ids. This will have an impact on confidentiality but there is no other impact on integrity or availability.

MediumCVSS 5.3 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Nov 13, 2023
Updated
Jun 17, 2026
EPSS
0.6% · 44th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.3
CNA · sap
5.3
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
sapnetweaver application server java

Affected versions

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

  • sap netweaver application server java7.50

Versions reported by the vendor

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

  • SAP_SE NetWeaver AS Java

    • 7.50affected

Same product

sap: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-6287SAP NetWeaver AS JAVA (LM Configuration Wizard), versions - 7.30, 7.31, 7.40, 7.50, does not perform an authentication check which allows anKEV
    98Now
  • CVE-2016-2386SQL injection vulnerability in the UDDI server in SAP NetWeaver J2EE Engine 7.40 allows remote attackers to execute arbitrary SQL commands vKEV
    90Now
  • CVE-2017-12637Directory traversal vulnerability in scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS in SAP NetWeaver Application Server Java 7.5 allowsKEV
    89Now
  • CVE-2010-5326The Invoker Servlet on SAP NetWeaver Application Server Java platforms, possibly before 7.3, does not require authentication, which allows rKEV
    75This week
  • CVE-2016-3976Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote attackers to read arbitrary files via a ..\ (dot doKEV
    74This week
  • CVE-2016-2388The Universal Worklist Configuration in SAP NetWeaver AS JAVA 7.4 allows remote attackers to obtain sensitive user information via a craftedKEV
    67This week

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

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.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-307 · Improper Restriction of Excessive Authentication Attempts

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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

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

References

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

All records