CVE-2019-17555

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-12-04 · updated 2026-06-17
Weakness: CWE-20

Description

The AsyncResponseWrapperImpl class in Apache Olingo versions 4.0.0 to 4.6.0 reads the Retry-After header and passes it to the Thread.sleep() method without any check. If a malicious server returns a huge value in the header, then it can help to implement a DoS attack.

Affected products

Apache Olingo: from 4.0.0 through 4.6.0

References

https://mail-archives.apache.org/mod_mbox/olingo-user/201912.mbox/%3CCAGSZ4d65UmudJ_MQkFXEv9YY_wwZbRA3sgtNDzMoLM51Qh%3DRCA%40mail.gmail.com%3E
https://mail-archives.apache.org/mod_mbox/olingo-user/201912.mbox/%3CCAGSZ4d65UmudJ_MQkFXEv9YY_wwZbRA3sgtNDzMoLM51Qh%3DRCA%40mail.gmail.com%3E

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