PGP Desktop 10.0.x before 10.0.3 SP2 and 10.1.0 before 10.1.0 SP1 does not properly implement the "Decrypt/Verify File via Right-Click" functionality for multi-packet OpenPGP messages that represent multi-message input, which allows remote attackers to spoof signed data by concatenating an additional message to the end of a legitimately signed message, related to a "piggy-back" or "unsigned data injection" issue
Published Nov 20, 2010
4.3
MEDIUMCVSS 2.0
EPSS 1.55%
Description
PGP Desktop 10.0.x before 10.0.3 SP2 and 10.1.0 before 10.1.0 SP1 does not properly implement the "Decrypt/Verify File via Right-Click" functionality for multi-packet OpenPGP messages that represent multi-message input, which allows remote attackers to spoof signed data by concatenating an additional message to the end of a legitimately signed message, related to a "piggy-back" or "unsigned data injection" issue.
Affected products
No data.
Configuration 1
- ≤ 10.0.3
- 10.0.0
- 10.0.1
- 10.0.2
- 10.0.3
- 10.1.0
Configuration 2
- ≤ 10.0.3
- 10.0.0
- 10.0.1
- 10.0.2
- 10.0.3
- 10.1.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.55% (0.01555) | 74.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.55% (0.01555) | 71.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.52% (0.01521) | 79.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.41% (0.01413) | 87.02th | v3 (v2023.03.01) |
| May 31, 2024 | 1.41% (0.01413) | 86.47th | v3 (v2023.03.01) |
| May 8, 2024 | 1.57% (0.01575) | 87.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.57% (0.01575) | 85.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/42293 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/42307 third-party-advisoryx_refsource_SECUNIA
- http://www.cs.ru.nl/E.Verheul/papers/Govcert/Pretty%20Good%20Piggybagging%20v1.0.pdf x_refsource_MISCExploit
- http://www.kb.cert.org/vuls/id/300785 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securitytracker.com/id?1024760 vdb-entryx_refsource_SECTRACK
- http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2010&suid=20101118_00 x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/63366 vdb-entryx_refsource_XF
- https://pgp.custhelp.com/app/answers/detail/a_id/2290 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/42293 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/42307 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.cs.ru.nl/E.Verheul/papers/Govcert/Pretty%20Good%20Piggybagging%20v1.0.pdf | x_refsource_MISCExploit | |
| http://www.kb.cert.org/vuls/id/300785 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securitytracker.com/id?1024760 | vdb-entryx_refsource_SECTRACK | |
| http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2010&suid=20101118_00 | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/63366 | vdb-entryx_refsource_XF | |
| https://pgp.custhelp.com/app/answers/detail/a_id/2290 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.