CVE-2021-35515

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

11.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 95.6% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-07-13 07:15Z5 YR AGO

Last updated

2024-08-04 00:40Z2 YR AGO

Reserved

2021-06-27

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-834Excessive IterationClass
• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.1

Document digest

823469b6e3c473168f6cf3695ddee196790c6becc75fce26731e90474c092878

• commons.apache.orghttps://commons.apache.org/proper/commons-compress/security-reports.htmlx_refsource_MISC
• lists.apache.orghttps://lists.apache.org/thread.html/r19ebfd71770ec0617a9ea180e321ef927b3fefb4c81ec5d1902d20ab%40%3Cuser.commons.apache.org%3Ex_refsource_MISC
• www.openwall.com[oss-security] 20210713 CVE-2021-35515: Apache Commons Compress 1.6 to 1.20 denial of service vulnerabilityhttp://www.openwall.com/lists/oss-security/2021/07/13/1mailing-listx_refsource_MLIST
• lists.apache.org[announce] 20210713 CVE-2021-35515: Apache Commons Compress 1.6 to 1.20 denial of service vulnerabilityhttps://lists.apache.org/thread.html/rbaea15ddc5a7c0c6b66660f1d6403b28595e2561bb283eade7d7cd69%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[pulsar-commits] 20210716 [GitHub] [pulsar] lhotari opened a new pull request #11345: [Security] Upgrade commons-compress to 1.21https://lists.apache.org/thread.html/rb064d705fdfa44b5dae4c366b369ef6597951083196321773b983e71%40%3Ccommits.pulsar.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20210726 [GitHub] [druid] suneet-s opened a new pull request #11496: Address CVE-2021-35515 CVE-2021-36090https://lists.apache.org/thread.html/rf2f4d7940371a7c7c5b679f50e28fc7fcc82cd00670ced87e013ac88%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20210726 [GitHub] [druid] suneet-s merged pull request #11496: Address CVE-2021-35515 CVE-2021-36090https://lists.apache.org/thread.html/rab292091eadd1ecc63c516e9541a7f241091cf2e652b8185a6059945%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20210726 [druid] branch master updated: Address CVE-2021-35515 CVE-2021-36090 (#11496)https://lists.apache.org/thread.html/rbe91c512c5385181149ab087b6c909825d34299f5c491c6482a2ed57%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210802 [GitHub] [skywalking] wu-sheng opened a new pull request #7400: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090https://lists.apache.org/thread.html/rd4332baaf6debd03d60deb7ec93bee49e5fdbe958cb6800dff7fb00e%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210802 [skywalking] 01/01: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090https://lists.apache.org/thread.html/rb7adf3e55359819e77230b4586521e5c6874ce5ed93384bdc14d6aee%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210803 [skywalking] branch master updated: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090 (#7400)https://lists.apache.org/thread.html/rfba19167efc785ad3561e7ef29f340d65ac8f0d897aed00e0731e742%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210803 [GitHub] [skywalking] hanahmily merged pull request #7400: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090https://lists.apache.org/thread.html/rba65ed5ddb0586f5b12598f55ec7db3633e7b7fede60466367fbf86a%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210803 [GitHub] [skywalking] codecov[bot] edited a comment on pull request #7400: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090https://lists.apache.org/thread.html/r9f54c0caa462267e0cc68b49f141e91432b36b23348d18c65bd0d040%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210802 [GitHub] [skywalking] codecov[bot] commented on pull request #7400: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090https://lists.apache.org/thread.html/racd0c0381c8404f298b226cd9db2eaae965b14c9c568224aa3f437ae%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[skywalking-notifications] 20210802 [GitHub] [skywalking] codecov[bot] edited a comment on pull request #7400: Fix CVE-2021-35515, CVE-2021-35516, CVE-2021-35517, CVE-2021-36090https://lists.apache.org/thread.html/rb6e1fa80d34e5ada45f72655d84bfd90db0ca44ef19236a49198c88c%40%3Cnotifications.skywalking.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[poi-dev] 20210923 Re: [VOTE] Apache POI 5.1.0 release (RC1)https://lists.apache.org/thread.html/r67ef3c07fe3b8c1b02d48012149d280ad6da8e4cec253b527520fb2b%40%3Cdev.poi.apache.org%3Emailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20211022-0001/x_refsource_CONFIRM
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC