The chat feature in the Real-Time Collaboration (RTC) services 7.3 and 7.4 in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to obtain sensitive user information by visiting webdynpro/resources/sap.com/tc~rtc~coll.appl.rtc~wd_chat/Chat#, pressing "Add users", and doing a search, aka SAP Security Note 2255990.
CVE-2016-3973
Score 5.3 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 83%
- KEV
- Not listed
Published
April 7, 2016
Last Modified
June 17, 2026
References (8)
- cve@mitrehttp://packetstormsecurity.com/files/137579/SAP-NetWeaver-AS-JAVA-7.5-Information-Disclosure.html
- cve@mitrehttp://seclists.org/fulldisclosure/2016/Jun/46
- cve@mitrehttps://erpscan.io/advisories/erpscan-16-016-sap-netweaver-7-4-information-disclosure-wd_chat/
- cve@mitrehttps://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/
- af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/137579/SAP-NetWeaver-AS-JAVA-7.5-Information-Disclosure.html
- af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2016/Jun/46
- af854a3a-2127-422b-91ae-364da2661108https://erpscan.io/advisories/erpscan-16-016-sap-netweaver-7-4-information-disclosure-wd_chat/
- af854a3a-2127-422b-91ae-364da2661108https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 23× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 123 total refreshes for this CVE.
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Frequently asked(5)
What is CVE-2016-3973?
When was CVE-2016-3973 disclosed?
Is CVE-2016-3973 actively exploited?
What is the CVSS score of CVE-2016-3973?
How do I remediate CVE-2016-3973?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2016-3973
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