🛡️ CVE-2020-27223 — nifi

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV

5.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 (inclusive), 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” (i.e. q) parameters, the server may enter a denial of service (DoS) state due to high CPU usage processing those quality values, resulting in minutes of CPU time exhausted processing those quality values.

Affected software

CVE-2020-27223 is recorded against 3 packages.

nifi
solr
spark

Timeline and source

Published on 12 September 2025 and last revised on 15 September 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

Other advisories for this package

nifi has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2026-68981 (8.0 High, published 17 Aug 2026)
CVE-2026-68980 (2.0 Low, published 17 Aug 2026)
CVE-2026-68979 (5.0 Medium, published 17 Aug 2026)
CVE-2026-62354 (8.0 High, published 17 Aug 2026)
CVE-2026-44914 (8.0 High, published 24 Jun 2026)
CVE-2026-44913 (5.0 Medium, published 24 Jun 2026)
CVE-2026-44911 (2.0 Low, published 24 Jun 2026)
CVE-2026-54665 (5.0 Medium, published 24 Jun 2026)

Details

Severity MEDIUM

CVSS Score 5.0

CVSS Vector N/A

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2025-09-12

Updated 2026-08-20

Modified 2025-09-15

Fix URL N/A

Affected Packages

Software	From version	Fixed in
nifi	—	—
solr	—	—
spark	—	—

References

WEB https://bugs.eclipse.org/bugs/show_bug.cgi?id=571128

WEB https://github.com/eclipse/jetty.project/security/advisories/GHSA-m394-8rww-3jr7

WEB https://github.com/jetty/jetty.project/commit/10e531756b972162eed402c44d0244f7f6b85131

WEB https://lists.apache.org/thread.html/r068dfd35ce2193f6af28b74ff29ab148c2b2cacb235995576f5bea78%40%3Cissues.solr.apache.org%3E

WEB https://lists.apache.org/thread.html/r07aedcb1ece62969c406cb84c8f0e22cec7e42cdc272f3176e473320%40%3Cusers.solr.apache.org%3E

WEB https://lists.apache.org/thread.html/r0b639bd9bfaea265022125d18acd2fc6456044b76609ec74772c9567%40%3Cissues.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r0c6eced465950743f3041b03767a32b2e98d19731bd72277fc7ea428%40%3Ccommits.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r0cdab13815fc419805a332278c8d27e354e78560944fc36db0bdc760%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r0e25cdf3722a24c53049d37396f0da8502cb4b7cdc481650dc601dbc%40%3Cgitbox.activemq.apache.org%3E

WEB https://lists.apache.org/thread.html/r105f4e52feb051faeb9141ef78f909aaf5129d6ed1fc52e099c79463%40%3Cissues.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r1414ab2b3f4bb4c0e736caff6dc8d15f93f6264f0cca5c47710d7bb3%40%3Creviews.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r1b7ed296a865e3f1337a96ee9cd51f6d154d881a30da36020ca72a4b%40%3Cjira.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/r1b803e6ebdac5f670708878fb1b27cd7a0ce9d774a60e797e58cee6f%40%3Cissues.nifi.apache.org%3E

WEB https://lists.apache.org/thread.html/r26d9196f4d2afb9bec2784bcb6fc183aca82e4119bf41bdc613eec01%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r27ad7843d060762cc942820566eeaa9639f75371afedf8124b943283%40%3Cissues.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r2c2c7b2971360fb946bbf062c58d7245927dd1ce9150fc9987f65409%40%3Cjira.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/r2c947376491a20d1cf143bf3c21ed74113e099d806cfe4c490a45ad8%40%3Creviews.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r35ab810c0f3016b3fd3a3fa9088a2d2781b354a810780ce74d022b6c%40%3Cdev.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/r3ce0e31b25ad4ee8f7c42b62cfdc72d1b586f5d6accd23f5295b6dd1%40%3Cdev.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/r409ee2bae66bfff6aa89e6c74aff535e6248260d3afcb42bfb3b316b%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r463b12b27264c5e1e3c48c8c2cc5d33813d2f0d981102548fb3102fb%40%3Cissues.nifi.apache.org%3E

WEB https://lists.apache.org/thread.html/r492cff8488a7f6eb96700afb5d137b719ddb80a833e77f971d2691c6%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r4a456d89a83752a012d88a60ff4b21def6c9f650b9e69ea9fa11c9f9%40%3Cissues.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r4c92ea39167c0f7b096ae8268db496b5451d69606f0304b7c8a994c7%40%3Cissues.nifi.apache.org%3E

WEB https://lists.apache.org/thread.html/r51f8975ef47c12a46fbfd7da9efea7f08e1d307fe1dc3042514659ae%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r521a077885ce79c44a799118c878589e81e525cab72d368e5cfb6f61%40%3Cissues.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r5612dc69e1f79c421faf9764ffbc92591e2a69ea417c04cba57f49ea%40%3Cuser.karaf.apache.org%3E

WEB https://lists.apache.org/thread.html/r562a0cbc5c8cac4d000a27b2854a8ab1b924aa9dd45f8ffbea98e5ad%40%3Cjira.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/r5b7cc6ac733e0b35816751cf45d152ae246a3f40e0b1e62b101c9522%40%3Cdev.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r601f15f3de7ae3a7bbcd780c19155075c56443c2cdc1d193c03b4182%40%3Cissues.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/r65c714241b9d064a44fec10d60ebf5a37d5ebadd6bf88b0eed13ade0%40%3Cissues.solr.apache.org%3E

WEB https://lists.apache.org/thread.html/r734f996149bb9b1796740385fcbdf3e093eb9aabedc0f20a48ea1d68%40%3Cissues.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r75ee2a529edb892ac59110cb3f6f91844a932c5034e16c8317f5668d%40%3Ccommits.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r7f4ad5eec0bce2821c308bb23cac53df5c94eb84de1c58de9b95c176%40%3Ccommits.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r7fbdb7880be1566f943d80fbbeefde2115c086eba1bef3115350a388%40%3Cjira.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/r7ffd050d3bd7c90d95f4933560b5f4f15971ab9a5f5322fdce116243%40%3Cdev.lucene.apache.org%3E

WEB https://lists.apache.org/thread.html/r855b24a3bde3674256152edfc53fb8c9000f9b59db3fecbbde33b211%40%3Cissues.solr.apache.org%3E

WEB https://lists.apache.org/thread.html/r857b31ad16c6e76002bc6cca73c83358ed2595477e288286ee82c48d%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r897a6a14d03eab09e89b809d2a650f3765065201da5bc3db9a4dd6e8%40%3Ccommits.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r8b1963f16d6cb1230ca7ee73b6ec4f5c48f344191dbb1caabd265ee4%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/r8dc1b13b80d39fbf4a9d158850e15cd868f0460c2f364f13dca7050b%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/ra2f529da674f25a7351543544f7d621b5227c49a0745913b1194d11e%40%3Creviews.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/ra384892bab8c03a60613a6a9d5e9cae0a2b800fd882792a55520115e%40%3Ccommits.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/ra40a88a2301a3da86e25b501ff4bc88124f2b816c2917d5f3497f8f0%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/ra47a26c008487b0a739a368c846e168de06c3cd118d31ecedafa679a%40%3Cdev.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/raa6d60b00b67c0550672b4f506f0df75b323dcd25cf574e91e2f2dff%40%3Cissues.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/rb79b62ac3085e05656e41865f5a7efcbdc7dcd7843abed9c5fe0fef8%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/rc052fd4e9e9c01bead74c0b5680355ea5dc3b72d46f253cb65d03e43%40%3Ccommits.druid.apache.org%3E

WEB https://lists.apache.org/thread.html/rc721fe2910533bffb6bd4d69ea8ff4f36066d260dbcd2d14e041614a%40%3Cissues.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/rd666e187ebea2fda8624683ab51e2a5ad2108f762d21bf1a383d7502%40%3Creviews.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/rd8e24a3e482e5984bc8c5492dc790413e4fdc1234e3debb94515796b%40%3Cjira.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/rdd6c47321db1bfe12c68a898765bf3b6f97e2afa6a501254ed4feaed%40%3Cjira.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/re03a4dbc15df6f390a2f8c0a071c31c8324dbef007e59fdc2592091a%40%3Ccommits.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/re0d38cc2b5da28f708fc89de49036f3ace052c47a1202f7d70291614%40%3Cdev.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/re19fa47ec901cc3cf6d7784027198e8113f8bc2dbfd6c9d6d13f5447%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/re3bd4f831f9be49871cb6adb997289b5dbcd6fe4bc5cb08223254080%40%3Cdev.lucene.apache.org%3E

WEB https://lists.apache.org/thread.html/re43768896273c0b5f1a03d7f0a9d370852074489d51825fdc0d77f0f%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/re819198d4732804dc01fca8b5b144689a118ede49f6128968773595c%40%3Ccommits.kafka.apache.org%3E

WEB https://lists.apache.org/thread.html/reb3c6dc050c7ee18ea154cd94dba85d99aa6b02b84c4bb2138a4abf2%40%3Creviews.spark.apache.org%3E

WEB https://lists.apache.org/thread.html/reca91f217f9e1ce607ce6e19a1c0b3db82b5b1b58cf39a84d6434695%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/rf190d1d28e1367d1664ef6bc2f71227566d7b6b39209817a5364da1f%40%3Cissues.solr.apache.org%3E

WEB https://lists.apache.org/thread.html/rf6c2efa3137bc8c22707e550a1f9b80f74bca62b9c8a6f768f2c6b86%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/rf77f4c4583669f1133d58cc4f1964367e253818ed8db986bb2732f7c%40%3Cnotifications.zookeeper.apache.org%3E

WEB https://lists.apache.org/thread.html/rff630ce92a4d1bb494fc1a3f9b57a3d60819b436505bcd8c6ccc713c%40%3Ccommits.kafka.apache.org%3E

WEB https://nvd.nist.gov/vuln/detail/CVE-2020-27223

WEB https://security.netapp.com/advisory/ntap-20210401-0005/

WEB https://www.debian.org/security/2021/dsa-4949

WEB https://www.oracle.com/security-alerts/cpuApr2021.html

🔗 NVD 🔗 Mitre

Similar Threats

Vulnerability Monitoring

Track new vulnerabilities in nifi

CVE-2020-27223 is rated CVSS 5.0 Medium. BotEraser monitors your WordPress installation and notifies you when software you use appears in our vulnerability database.

Set Up Free Alerts →

No credit card required · Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

🛡️ CVE-2020-27223 — nifi

Description

Affected software

Timeline and source

References

Other advisories for this package

Track new vulnerabilities in nifi

Browse related advisories

Company

Resources

Services

Trusted

Subscribe