CVE-2021-26295

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekWeaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 98%
CISA-KEV: Not listedEPSS: 98%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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(medium)
EG Risk
88(Track*)
EG Risk 88/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation98% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.9%
KEV
Not listed

Published

March 22, 2021

Last Modified

November 21, 2024

Advisory Details (9)

Auto-updated Jul 5, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread.html/rbe8439b26a71fc3b429aa793c65dcc4a6e349bc7bb5010746a74fa1d%40%3Ccommits.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/rbe512e5ccd6b11169c6379daa1234bc805f3d53c5a38224e956295ce%40%3Cnotifications.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/rab718cfe6468085d7560c0c1ae816841e175886199f42e36efb8d735%40%3Cnotifications.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/r6e4579c4ebf7efeb462962e359501c6ca4045687f12212551df2d607%40%3Cnotifications.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/r3ee005dd767cd83f522719423f5e7dd316f168ddbd1dc51a13d4e244%40%3Cnotifications.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/r3c1802eaf34aa78a61b4e8e044c214bc94accbd28a11f3a276586a31%40%3Cuser.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/r108a964764b8bd21ebd32ccd4f51c183ee80a251c105b849154a8e9d%40%3Ccommits.ofbiz.apache.org%3E
generic
https://lists.apache.org/thread.html/r0d97a3b7a14777b9e9e085b483629d2774343c4723236d1c73f43ff0%40%3Cdev.ofbiz.apache.org%3E
generic
https://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.

Data Freshness Timeline

(refreshed 5× in last 7d / 8× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 01:58 UTCEG score recompute
  2. 2026-07-22 22:45 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-22 14:06 UTCEPSS rescore
  5. 2026-07-18 23:59 UTCOSV refresh
  6. 2026-07-13 06:10 UTCEPSS rescore
  7. 2026-07-02 16:57 UTCEPSS rescore
  8. 2026-07-01 06:48 UTCOSV refresh
  9. 2026-06-16 17:51 UTCEPSS rescore
  10. 2026-06-15 17:46 UTCEPSS rescore
  11. 2026-06-13 11:13 UTCOSV refresh
  12. 2026-06-01 13:50 UTCEPSS rescore
  13. 2026-06-01 13:50 UTCEPSS rescore
  14. 2026-05-27 13:39 UTCEPSS rescore
  15. 2026-05-27 13:39 UTCEPSS rescore
  16. 2026-05-26 19:34 UTCEG score recompute
  17. 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

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