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SOC 2 Type IIISO 27001GDPRHIPAA Ready

Home›CVE Pulse›CVE-2021-26295

CVE-2021-26295

CRITICALNVD 9.8EG9.8—

EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because EPSS predicts 94% probability of exploitation within the next 30 days (top 0.1% of all CVEs). NVD baseline CVSS 9.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%

Sources: epss, ghsa, nvd

⚠️Weaponized

9.8

Apache OFBiz has unsafe deserialization prior to 17.12.06. An unauthenticated attacker can use this vulnerability to successfully take over Apache OFBiz.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.9%
KEV: Not listed

Published

March 22, 2021

Last Modified

November 21, 2024

References (26)

security@apachehttp://packetstormsecurity.com/files/162104/Apache-OFBiz-SOAP-Java-Deserialization.html
security@apachehttps://lists.apache.org/thread.html/r078351a876ed284ba667b33aba29428d7308a5bd4df78f14a3df6661%40%3Cnotifications.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/r0d97a3b7a14777b9e9e085b483629d2774343c4723236d1c73f43ff0%40%3Cdev.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/r108a964764b8bd21ebd32ccd4f51c183ee80a251c105b849154a8e9d%40%3Ccommits.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/r3c1802eaf34aa78a61b4e8e044c214bc94accbd28a11f3a276586a31%40%3Cuser.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/r3ee005dd767cd83f522719423f5e7dd316f168ddbd1dc51a13d4e244%40%3Cnotifications.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/r6e4579c4ebf7efeb462962e359501c6ca4045687f12212551df2d607%40%3Cnotifications.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/rab718cfe6468085d7560c0c1ae816841e175886199f42e36efb8d735%40%3Cnotifications.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/rbe512e5ccd6b11169c6379daa1234bc805f3d53c5a38224e956295ce%40%3Cnotifications.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/rbe8439b26a71fc3b429aa793c65dcc4a6e349bc7bb5010746a74fa1d%40%3Ccommits.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/rc9bd0d3d794dc370bc70585960841868cb29b92dcc80552b84ca2599%40%3Cnotifications.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/rec5e9fdcdca13099cfb29f632333f44ad1dd60d90f67b90434e4467a%40%3Cdev.ofbiz.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/reccf8c8a58337ce7c035495d3d82fbc549e97036a9789a2a7d9cccf6%40%3Cdev.ofbiz.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/162104/Apache-OFBiz-SOAP-Java-Deserialization.html
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r078351a876ed284ba667b33aba29428d7308a5bd4df78f14a3df6661%40%3Cnotifications.ofbiz.apache.org%3E

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 2× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 19:34 UTCEG score recompute
2026-05-26 19:34 UTCGHSA enrichment

⚠️

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCyuaneuro/ofbiz-poc
First seen May 13, 2021
CVE-2020-9496和CVE-2021-26295利用dnslog批量验证漏洞poc及exp
Open source ↗
GitHub PoCrakjong/CVE-2021-26295-Apache-OFBiz
First seen Mar 24, 2021
CVE-2021-26295 Apache OFBiz rmi反序列化POC
Open source ↗
GitHub PoCyumusb/CVE-2021-26295
First seen Mar 23, 2021
Open source ↗
Metasploitexploit/linux/http/apache_ofbiz_deserialization_soap✓ verified
First seen Mar 22, 2021
Apache OFBiz SOAP Java Deserialization
Open source ↗
Nucleihttp/cves/2021/CVE-2021-26295.yaml
First seen Jan 1, 2021
Apache OFBiz <17.12.06 - Arbitrary Code Execution
Open source ↗

Frequently asked(5)

What is CVE-2021-26295?

CVE-2021-26295 is a critical vulnerability published on March 22, 2021. Apache OFBiz has unsafe deserialization prior to 17.12.06. An unauthenticated attacker can use this vulnerability to successfully take over Apache OFBiz.

When was CVE-2021-26295 disclosed?

CVE-2021-26295 was first published in the National Vulnerability Database on March 22, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-26295 actively exploited?

CVE-2021-26295 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-26295?

CVE-2021-26295 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-26295?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-26295, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-26295

Is Your Infrastructure Affected by CVE-2021-26295?

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Start Free Scan →Browse All CVEs

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Same CWE

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CWE-502

CVE-2017-20208EG 9.8CRITICAL
CVE-2017-20207EG 9.8CRITICAL
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CVE-2017-20189EG 9.8CRITICAL
CVE-2017-10992EG 9.8CRITICAL
CVE-2013-4521EG 9.8EPSS 91%CRITICAL
CVE-2014-1860EG 9.8CRITICAL
CVE-2016-1000027EG 9.8EPSS 98%CRITICAL
CVE-2014-3699EG 9.8CRITICAL
CVE-2017-18605EG 9.8CRITICAL