How severe is CVE-2016-3979?

CVE-2016-3979 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-3979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3979?

CVE-2016-3979 affects Sap Java As. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3979?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-3979 published?

CVE-2016-3979 was published on 2016-04-08 and last updated on 2026-06-17.

CVE-2016-3979

CVE-2016-3979 is a high-severity vulnerability in Sap Java As with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Sap Java As
Published: 2016-04-08
Last modified: 2026-06-17

Description

Internet Communication Manager (aka ICMAN or ICM) in SAP JAVA AS 7.2 through 7.4 allows remote attackers to cause a denial of service (heap memory corruption and process crash) via a crafted HTTP request, related to the IctParseCookies function, aka SAP Security Note 2256185.

Frequently asked questions

What is CVE-2016-3979?: Internet Communication Manager (aka ICMAN or ICM) in SAP JAVA AS 7.2 through 7.4 allows remote attackers to cause a denial of service (heap memory corruption and process crash) via a crafted HTTP request, related to the IctParseCookies function, aka SAP Security Note 2256185.
How severe is CVE-2016-3979?: CVE-2016-3979 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-3979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3979?: CVE-2016-3979 affects Sap Java As. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3979?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-3979 published?: CVE-2016-3979 was published on 2016-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:java_as:7.4:*:*:*:*:*:*:*

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