CVE-2023-7101

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-01-02), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 19%CVSS: 7.8Exploit: cisa kev · ssvc active · Metasploit · epss top5pct · public exploitExposed: 0

A fix is available — apply it.

Spreadsheet::ParseExcel version 0.65 is a Perl module used for parsing Excel files. Spreadsheet::ParseExcel is vulnerable to an arbitrary code execution (ACE) vulnerability due to passing unvalidated input from a file into a string-type “eval”. Specifically, the issue stems from the evaluation of Number format strings (not to be confused with printf-style format strings) within the Excel parsing logic.

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
19%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

December 24, 2023

Last Modified

June 17, 2026

Advisory Details (6)

Auto-updated Jun 4, 2026
Patch available.
generic

[SECURITY] Fedora 38 Update: perl-Spreadsheet-ParseExcel-0.6600-1.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/M2FIWDHRYTAAQLGM6AFOZVM7AFZ4H2ZR/
generic

[SECURITY] Fedora 39 Update: perl-Spreadsheet-ParseExcel-0.6600-1.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/[email protected]/message/IFEHKULQRVXHIV7XXK2RGD4VQN6Y4CV5/
generic Patch Available

[SECURITY] [DLA 3702-1] libspreadsheet-parseexcel-perl security update

https://lists.debian.org/debian-lts-announce/2023/12/msg00025.html
generic

Vulnerability-Disclosures/2023/MNDT-2023-0019.md at master · mandiant/Vulnerability-Disclosures · GitHub

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0019.md
generic

spreadsheet-parseexcel/lib/Spreadsheet/ParseExcel/Utility.pm at c7298592e102a375d43150cd002feed806557c15 · jmcnamara/spreadsheet-parseexcel · GitHub

https://github.com/jmcnamara/spreadsheet-parseexcel/blob/c7298592e102a375d43150cd002feed806557c15/lib/Spreadsheet/ParseExcel/Utility.pm#L171
generic

oss-security - CVE-2023-7101: Spreadsheet::ParseExcel for Perl is vulnerable to arbitrary code execution

http://www.openwall.com/lists/oss-security/2023/12/29/4

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibspreadsheet-parseexcel-perl (0.6500-1ubuntu0.16.04.1~esm1) @ xenial2026-09-19ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
libspreadsheet-parseexcel-perl0.6500-10.6500-1+deb10u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
libspreadsheet-parseexcel-perl0.6500-1.10.6500-1.1+deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
libspreadsheet-parseexcel-perl0.6500-30.6500-4~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
libspreadsheet-parseexcel-perl—0.6500-4—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
libspreadsheet-parseexcel-perl—0.6500-4—

Weakness Classification(2)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 100× in last 7d / 396× 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.

Showing the most recent 100 of 1,409 total refreshes for this CVE.

  1. 2026-09-19 06:41 UTCVendor advisory
  2. 2026-09-19 06:40 UTCGHSA enrichment
  3. 2026-09-19 02:49 UTCVendor advisory
  4. 2026-09-19 02:49 UTCGHSA enrichment
  5. 2026-09-18 22:57 UTCEG score recompute
  6. 2026-09-18 22:57 UTCVendor advisory
  7. 2026-09-18 22:57 UTCGHSA enrichment
  8. 2026-09-18 19:26 UTCEPSS rescore
  9. 2026-09-18 19:20 UTCCISA KEV update
  10. 2026-09-18 19:06 UTCVendor advisory
  11. 2026-09-18 19:06 UTCGHSA enrichment
  12. 2026-09-18 15:15 UTCGHSA enrichment
  13. 2026-09-18 14:15 UTCCISA KEV update
  14. 2026-09-18 11:24 UTCVendor advisory
  15. 2026-09-18 11:24 UTCGHSA enrichment
  16. 2026-09-18 07:33 UTCVendor advisory
  17. 2026-09-18 07:33 UTCGHSA enrichment
  18. 2026-09-18 03:42 UTCVendor advisory
  19. 2026-09-18 03:42 UTCGHSA enrichment
  20. 2026-09-17 23:50 UTCVendor advisory
  21. 2026-09-17 23:50 UTCGHSA enrichment
  22. 2026-09-17 19:58 UTCEG score recompute
  23. 2026-09-17 19:58 UTCVendor advisory
  24. 2026-09-17 19:58 UTCGHSA enrichment
  25. 2026-09-17 16:07 UTCVendor advisory
Show 75 more
  1. 2026-09-17 16:07 UTCGHSA enrichment
  2. 2026-09-17 12:15 UTCVendor advisory
  3. 2026-09-17 12:15 UTCGHSA enrichment
  4. 2026-09-17 08:24 UTCVendor advisory
  5. 2026-09-17 08:24 UTCGHSA enrichment
  6. 2026-09-17 04:32 UTCVendor advisory
  7. 2026-09-17 04:32 UTCGHSA enrichment
  8. 2026-09-17 00:41 UTCVendor advisory
  9. 2026-09-17 00:41 UTCGHSA enrichment
  10. 2026-09-16 20:49 UTCGHSA enrichment
  11. 2026-09-16 16:56 UTCEG score recompute
  12. 2026-09-16 16:56 UTCGHSA enrichment
  13. 2026-09-16 14:10 UTCCISA KEV update
  14. 2026-09-16 14:06 UTCEPSS rescore
  15. 2026-09-16 13:04 UTCVendor advisory
  16. 2026-09-16 13:04 UTCGHSA enrichment
  17. 2026-09-16 09:13 UTCVendor advisory
  18. 2026-09-16 09:13 UTCGHSA enrichment
  19. 2026-09-16 05:22 UTCEG score recompute
  20. 2026-09-16 05:22 UTCVendor advisory
  21. 2026-09-16 05:21 UTCGHSA enrichment
  22. 2026-09-16 05:11 UTCEPSS rescore
  23. 2026-09-16 05:11 UTCEPSS rescore
  24. 2026-09-16 01:30 UTCVendor advisory
  25. 2026-09-16 01:30 UTCGHSA enrichment
  26. 2026-09-15 21:38 UTCVendor advisory
  27. 2026-09-15 21:38 UTCGHSA enrichment
  28. 2026-09-15 17:46 UTCVendor advisory
  29. 2026-09-15 17:46 UTCGHSA enrichment
  30. 2026-09-15 13:55 UTCVendor advisory
  31. 2026-09-15 13:55 UTCGHSA enrichment
  32. 2026-09-15 10:03 UTCVendor advisory
  33. 2026-09-15 10:03 UTCGHSA enrichment
  34. 2026-09-15 06:12 UTCEG score recompute
  35. 2026-09-15 06:12 UTCVendor advisory
  36. 2026-09-15 06:12 UTCGHSA enrichment
  37. 2026-09-15 03:08 UTCEPSS rescore
  38. 2026-09-15 02:19 UTCVendor advisory
  39. 2026-09-15 02:19 UTCGHSA enrichment
  40. 2026-09-14 22:27 UTCVendor advisory
  41. 2026-09-14 22:27 UTCGHSA enrichment
  42. 2026-09-14 19:24 UTCCISA KEV update
  43. 2026-09-14 18:36 UTCVendor advisory
  44. 2026-09-14 18:36 UTCGHSA enrichment
  45. 2026-09-14 14:43 UTCVendor advisory
  46. 2026-09-14 14:43 UTCGHSA enrichment
  47. 2026-09-14 10:52 UTCVendor advisory
  48. 2026-09-14 10:52 UTCGHSA enrichment
  49. 2026-09-14 07:01 UTCVendor advisory
  50. 2026-09-14 07:01 UTCGHSA enrichment
  51. 2026-09-14 03:10 UTCVendor advisory
  52. 2026-09-14 03:10 UTCGHSA enrichment
  53. 2026-09-13 23:19 UTCVendor advisory
  54. 2026-09-13 23:19 UTCGHSA enrichment
  55. 2026-09-13 19:28 UTCVendor advisory
  56. 2026-09-13 19:28 UTCGHSA enrichment
  57. 2026-09-13 15:36 UTCGHSA enrichment
  58. 2026-09-13 11:42 UTCVendor advisory
  59. 2026-09-13 11:42 UTCGHSA enrichment
  60. 2026-09-13 07:50 UTCVendor advisory
  61. 2026-09-13 07:50 UTCGHSA enrichment
  62. 2026-09-13 04:00 UTCVendor advisory
  63. 2026-09-13 03:59 UTCGHSA enrichment
  64. 2026-09-13 00:08 UTCVendor advisory
  65. 2026-09-13 00:08 UTCGHSA enrichment
  66. 2026-09-12 20:16 UTCVendor advisory
  67. 2026-09-12 20:16 UTCGHSA enrichment
  68. 2026-09-12 16:24 UTCEG score recompute
  69. 2026-09-12 16:24 UTCVendor advisory
  70. 2026-09-12 16:24 UTCGHSA enrichment
  71. 2026-09-12 14:58 UTCEPSS rescore
  72. 2026-09-12 12:33 UTCVendor advisory
  73. 2026-09-12 12:33 UTCGHSA enrichment
  74. 2026-09-12 08:42 UTCVendor advisory
  75. 2026-09-12 08:42 UTCGHSA enrichment

Publicly available exploits

(1 reference)

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

  • Metasploitexploit/linux/smtp/barracuda_esg_spreadsheet_rce✓ verified
    First seen Dec 24, 2023

    Barracuda ESG Spreadsheet::ParseExcel Arbitrary Code Execution

    Open source ↗

Frequently asked(6)

What is CVE-2023-7101?
CVE-2023-7101 is a critical vulnerability published on December 24, 2023. Spreadsheet::ParseExcel version 0.65 is a Perl module used for parsing Excel files. Spreadsheet::ParseExcel is vulnerable to an arbitrary code execution (ACE) vulnerability due to passing unvalidated input from a file into a string-type “eval”. Specifically, the issue stems from the evaluation of…
When was CVE-2023-7101 disclosed?
CVE-2023-7101 was first published in the National Vulnerability Database on December 24, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-7101 actively exploited?
Yes. CISA added CVE-2023-7101 to the Known Exploited Vulnerabilities catalog on January 2, 2024, affecting Spreadsheet::ParseExcel Spreadsheet::ParseExcel. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-7101?
CVE-2023-7101 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-7101?
CVE-2023-7101 affects Spreadsheet::ParseExcel Spreadsheet::ParseExcel. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-7101?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-7101, 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-2023-7101

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