Vulnerability in Apache Shiro
CVE-2020-13933
Apache Shiro before 1.6.0, when using Apache Shiro, a specially crafted HTTP request may cause an authentication bypass.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.444 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.444 · newest: 0.444 · change: 0.000
Affected products
- Apache Shiro
- Debian Linux — versions 9.0
- Apache Shiro — versions Apache Shiro before version 1.6.0
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/r539f87706094e79c5da0826030384373f0041068936912876… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/r18b45d560d76c4260813c802771cc9678aa651fb8340e0936… (mailing-list)
- lists.apache.org/thread.html/r9ea6d8560d6354d41433ad006069904f0ed083527aa348b59… (mailing-list)
- lists.apache.org/thread.html/r6ea0224c1971a91dc6ade1f22508119a9c3bd56cef656f0c4… (mailing-list)
- lists.apache.org/thread.html/r4c1e1249e9e1acb868db0c80728c13f448d07333da06a0f16… (mailing-list)
- lists.apache.org/thread.html/r8097b81905f2a113ebdf925bcbc6d8c9d6863c807c9ee42e1… (mailing-list)
- lists.apache.org/thread.html/rb5edf49cd1451475dbcf53826ba6ef1bb7872dd6493d6112e… (mailing-list)
- lists.apache.org/thread.html/r4506cedc401d6b8de83787f8436aac83956e411d66848c847… (mailing-list)
- lists.apache.org/thread.html/r70098e336d02047ce4d4e69293fe8d558cd68cde06f643039… (mailing-list)
- lists.apache.org/thread.html/rb47d88af224e396ee34ffb88ee99fb6d04510de5722cf14b7… (mailing-list)
Frequently asked questions
- What is CVE-2020-13933?
- CVE-2020-13933 is a high-severity vulnerability in Apache Shiro. CVSS score: 7.5/10. Published 2020-08-17.
- How severe is CVE-2020-13933?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-13933 known to be exploited?
- 42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.